Prev iATN Members TechHelp for June 26, 2008
Automotive Technical Exchange for the Automotive Repair Professional		 Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2001 Acura 3.2CL 3.2L Cuts out, Stall
On going problem, seems to happen more in warm weather, cuts out at cruise and will restart after a couple of minutes. We decided to replace the main relay (PGMFI relay), as this has cured many Hondas and Accuras in the past with this symptom. Our problem is...		 View
2003 Acura MDX 3.5L flywheel
Hello techs ive just purchased this broken acura mdx from a customer engine reved up going down the road customer shut off vehicle and it would not restart inspection has found flex plate broken transmission is almost out for further inspection my question for...		 View
2007 Audi A4 2.0L Surge
This vehicle has a rapid rythmic surge (approx. 200 rpm on the tach) on accel or decel between 25 and 35 mph. We have scanned the trans, trac control and engine and there are no codes and all readiness monitors are complete. During extended test drives with th...		 View
2004 Buick Rendezvous 3.4L All Windows
Customer brought vehicle in with the complaint of intermittent window operation, we were able to get windows to fail all the time, pulled codes and found B1477 RAP relay control circuit low and B1507 Low voltage on control circuit, we performed test and pinpoi...		 View
1994 Cadillac DeVille 4.6L Starting
This car came in as a no start, no crank at times. We found that when the car does not start and then any of the doors are opened it will then start. Even when holding the key in the start position when its not cranking and the door is opened it will start to ...		 View
1999 Cadillac Seville 4.6L suspension
cadillac techs i have a 99 seville with a crunching creaking noise when you first take off from astop sign it will do it until you get over 25mph then the noise goes away until the next start could this be strut noise of maybe a mount this has auto suspension ...		 View
1986 Chevrolet Corvette 5.7L air condition
Customer was told by friend that he could use 409 freon (commercial)as a replacement for R12. Friend said he did it and its actually colder than r12. Has anyone heard of this or tried it? I tried to get him to buy r12 on ebay but friend has 409 freon he will g...		 View
2002 Chevrolet Cab & Chassis Silverado 6.0L oil pressure
Vehicle was towed in.Customer stated after a 50 mile drive the oil pressure was almost to 0 and engine was making noise.They were at their destination at that time.The vehicle sat there for 7 hours when they started the truck the pressure came back up and engi...		 View
2002 Chevrolet Silverado 4.3L MIL Lamp on
After we changed the cam and the Dist. we have had a constant misfire code on #1 and #4 cylinder. The vehicle runs perfect and the scope pattern at the computer for the cam and crank sensors are good and do not shift or move. When I overlap the two patterns th... Trouble codes: P0300 (1 and 4 misfire since we changed the cam).		 View
2004 Chevrolet Suburban 6.0L Compressor ?
Hello All, need some help with this suburban. It does have Dual Zone HVAC, as well as rear Heat & AC. The problem is...the front vents puts out 78 deg air ( was 89 today )and the vents for the rear AC puts out 44 deg air. Sounds like I would have a Vent proble...		 View
2005 Chevrolet Impala 3.4L fuel
SOME ONE put candy in the fuel tank.. what is needed to fix this problem...NEW PUMP and FILTER for sure.. but will there be any other things needed other than that?		 View
2005 Chrysler Sebring 2.7L No Start
hi chrysler tec have, a car towed in no start or crank.with key out i have check engine light on and oil pressure light on and no bus , cos state that car that they had to boost car to start, the last time the car would not do anthing, replace battery and chec...		 View
1995 Dodge Intrepid 3.5L Electronic
car came into my shop with code 15,limp mode.relay has no power on the red/white wire.i also see that some other shop ran a bat volt wire to asd red/white wire.when i run bat volts to red/white wire on trans relay everything work fine.i see in the wiring diagr...		 View
2004 Dodge Intrepid 2.7L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on
gentlemen, this little dodge has a ghostly problem. when first starting the car the upstream 02s will go to 5 volts, sometimes there will be no data on bank 1/1 while all the other parametes are fine. the customer put both upstream 02s because someone scanned ... Trouble codes: P0132 (02 bank11 high voltage), P0152 (02 bank 21 high voltage).		 View
2004 Dodge Pickup 4.7L Cooling Systems
Temp gauge reads at black mark before HOT, "only" when towing his 19' boat or his 25' travel trailer. Temp rises quickly in a few miles going 70mph. When speed is lowered to 55mph, the temp drops lower but still higher than normal. Has no alterations, has not ...		 View
2006 Dodge Pickup 5.9L Poor Idle Quality, Hesitation, Surge, MIL Lamp on
Just wanted to run this past you diesel techs. This is my buddies truck. It has a P0191 which is listed as a fuel rail pressure sensor circuit performance problem. He took it to Dodge and the guy told him what he thought the code was before he even scaned it a... Trouble codes: p0191 (Fuel rail pressure sensor circuit performance).		 View
1997 Eagle Talon 2.0L Lack of power
This car came in and had crank shaft repaired due to over heating and oil pressure problem. It had lower end noise at that time. We installed remanufactured engine per noise and had turbo rebuilt per shaft movement. Road tested after and found no abnormal cond...		 View
1991 Ford Ranger 2.3L hard start
having trouble when starting this truck cold it has no idle flair up you have to hold the gas open to keep it running iac shows 53% on scanner but nothing on truck i also smoked this truck to make sure no vac leaks nothing...i scanned the coolant and air temp ... Trouble codes: 41 (ego not switching).		 View
1994 Ford Thunderbird 3.8L Poor Idle Quality,
Just putting this out there to see if anyone has come across something like this. Customer states engine runs rough in A.M. at start up then goes away. Then after driving it for a while and letting sit, when they go to restart it runs rough. It acts like a hea...		 View
1995 Ford Explorer 4.0L no communication
Hello all! My name is Tom and I'm really pulling my hair out on this one. My partner (George) tried getting codes and checking data. He could get codes, but could not get data. This vehicle has both an OBDII connection and the typical Ford connector under hood... Trouble codes: 637 (Oil Temp Signal HighOpen), 327 (EGR EVP Signal Too Low), 641 (Shift Solenoid 3), 639 (No Transmission Speed Sensor).		 View
2000 Ford Focus 2.0L Mechanical
We have this focus here with a blown (I mean pistons sideways in cylinder} motor. I can get an Escort motor SOHC for a reasonable price. Any problems using that in a focus? Will any 2.0 "P" motor work if I swap intakes etc? Thanks for the help.		 View
2000 Ford Escort 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall
this vehicle came in with a broken timing belt tensioner. I have replaced the timing belt and the tensioner,using the special tools required except the peg. I could not get to the hole because of the converter being in the way. I've checked the timing several ...		 View
2001 Ford Focus 2.0L MIL Lamp on
replaced egr sensor, solinoid and egr valve.Cleaned egr tube and ports to sensor with wire and solvent,checked all vacuum tubing in system for leaks or blockage.When car is at idle and i ground egr sensor sensor pulls in and stalls car. how do i test to see if... Trouble codes: p401.		 View
2002 Ford Explorer 4.0L unwanted downshift
Hello, folks. This Explorer works fine almost always! Trans shifts all feel fine and normal and the truck has no codes. Every once in awhile (perhaps once or twice every 80K or so) it will downshift while @ steady cruise. @ 100km per hour, RPM's will go up to ...		 View
2002 Ford Pickup 7.3L No Start
Had this diesel towed in after stalling on hiway with a no start,owner worked on it himself for 2 weeks then brought it in,i checked codes and camsensor kept coming up,replaced sensor, code was gone, still no start.checked glow plug systemand all is operating ... Trouble codes: PO344 (camsensor).		 View
2003 Ford Econoline 6.8L cruise controll
truck came in servoe broke off fender replaced servo did not work ran flow chart results pointed to servo or pcm ohm pcm checked ok tried neww clock spring and switches		 View
2003 Ford Econoline 6.8L Electronic
Hi. Techs. I need help. This van with 4R100 transmission has very rough shifting from 1st to 2nd gear, sometimes at 40mph. There is a DTC P782 '2-3 shift error' code. The a/t fluid is not burnt. No abnormal data readings I can see. I am suspecting shift soleno...		 View
2003 Ford Expedition 5.4L Poor Idle Quality, stumble at idle
Need help bad. I have been working on this expedition for a week now. No codes or pending codes. Vehicle stumbles at idle and under load like a missfire but not able to find missfire. Unplugged each coil at a time and missfire worse same with injectors unplugg...		 View
2004 Ford Pickup 6.0L noise
Hello, I have an f-250 that has a small moan on decell. I think it may just be the vanes in the turbo comming back to home. This happens after you get onto the boost and let off. Does anyone have any documentaion on this on that will say that this is a normal...		 View
2004 Ford Pickup 6.0L loss of fuel press
vehicle needs current reflash, advised customer. checked fuel pressure while driving after injector replacement found erratic pressure, replaced fuel pump, and filters, also cleaned and replaced fuel pressure regulator. Now it has a pressure drop under heavy l...		 View
2004 Ford Pickup 6.0L Surge, Cuts out, Misfire
Hi Ford Guru's, We have this truck and we are not all that familiar with, it smokes bad and is miss firing and surging under load and pinging. We found this bulletin about fuel injectors and it said something about running the fuel low could cause it. The cust...		 View
2005 Ford Pickup 5.4L Poor Idle Quality, Misfire
Hello and thanks again for any help. Three shops have worked on this one already and now its my turn. 2005 ford f250 5.4 gas engine. Runs extremly bad at idle, I have codes for missfires on cylinders 3,4,7,and 8. It also is running lean on both banks. I have c... Trouble codes: 0303 (missfire cyl 3), 0304 (missfire cyl 4), 0307 (missfire cyl 7), 0308 (missfire cyl 8), 0171 (bank one too lean), 0174 (bank two too lean).		 View
1990 Geo Prizm 1.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall
OK I am puuling my hair out on this one!! The car starts fine, sometimes when it is cold it will stall one ot two times right away, but starts right back up. As you start to drive it (with no warm up period) the car runs GREAT, but then after about 3 to 4 city... Trouble codes: 12 (No RPM signal for 2 seconds).		 View
1997 GMC Safari 4.3L engine
Thank you all Techs for help in advance. My problem is cylinder 1 and 2 are not working. I have good compression good fuel pressure and good spark. I have replaced spark plugs and still no luck. This van came from a different shop where they replaced the fuel ...		 View
2002 GMC Yukon 6.0L secutity
i know passlock problems are a crap shoot but i got extra info with this one. the MIL doesn't come on with the ignition. the complaint is the security kicks in occasionally leaving her stranded in 10 min intervals. BCM kicks a B2960 sig incorrect but valid, no...		 View
1994 Honda Civic 1.5L ACG fuse
vehicle has shorted ACG(S) fuse which according to my diagram powers the alternator,ecm power relay and cruise control system.my electrical diagram isn't very in-depth. i have tried to trace down the wire harness looking for any wires which could be rubbed thr...		 View
2004 Hyundai Santa Fe 3.5L MIL Lamp on
hello all. this vehicle has a code p0441. i have tested both the purge and vent solenoid and both seem to be operating properly. when i use the somke machine i dont see any leaks but according to gauge on machine(snap on ) it is showing a very small leak.also ... Trouble codes: 0441 (canister perge fault).		 View
1999 Isuzu Rodeo 3.2L compressor noisy
this one is eating my lunch!!! last year we replaced the compressor etc, no problem, a year later the compressor is noisy at idle only , pressures looked ok so we replaced it again{compressor only}now a few days later same problem i have tried varying amounts ...		 View
2001 Jaguar XK8 4.0L Top operation
A previous repair had been done to replace the hydraulic lines from the pump to the top latch. After that repair, the car returned once after a few months for low oil level in the pump reservoir. When it came back a second time after a longer interval, the oil...		 View
2002 Jeep Liberty 3.7L compressor
Replaced the engine on this Jeep, a/c system was low. Replaced seals, charged to spec. Customer complaint is that a/c stops working. In the shop, the system works perfectly at idle, vent temp is 40F. As soon as you twist the throttle, system cuts out, pressure...		 View
2003 Jeep Grand Cherokee 4.0L Stall
Hello everyone and thanks for the help. I have this 2003 Grand Cherokee 4.0 liter that is making the customer more than a little crazy. It started very intermittently stalling at slow speeds. We got it in and found an EVAP hose popped off at the intake manifo...		 View
1992 Lexus LS 400 4.0L No Start
we have a lexus ls 400 here that is giving us a lot of problems.. car came in for no crank.. found starter shorting out and not spining.. just clicking.. r/r starter put everything back on, now it cranks but won't fire.. checked for injector signal, no signal,...		 View
2003 Lincoln Town Car 4.6L Starter
Vehicle came in cranking but it would not start. It had a code p1237 fuel pump secondary fault. Dg and determined it needed a fuel pump driver module. Replaced module and now the vehicle will not crank. Unhooked every thing and it acts the same. No sure what h...		 View
1999 Mazda Protege 1.6L hard shift effort
Owner states that she must shut car off to shift out of reverse on an intermittent basis. This has not happened for me although the shift effort seems higher than normal from first to second. Both up shifting and downshifting. The clutch engagement and feel is...		 View
1990 Mercedes-Benz 300SEL 3.0L Mechanical
Tha air conditioning is working, but it is not usually cold. I have replaced the compressor because of a leak, charged the system (converted to r134), but not very cold, maybe 70*. Feeling the evaporator pipe after the expansion valve, it was not cold. Pressur...		 View
1997 Mercedes-Benz E320 3.2L shifting
A tranny shop sent us this E320. Following a tranny rebuild, the car intermittentley has harsh downshifts and while cruising, it will downshift on its own without warning. No trouble codes in engine, transmission or ABS controllers. Speedo works fine yet the ...		 View
2000 Mercedes-Benz S500 5.0L Front airbag
Have a used car lot that would like me to help him fix this benz. The right front strut airbag will not air up, we can hear a leak which sounds like it may be the strut or air bag. My question is since all data is not very helpful, is there a known issue, one ...		 View
2000 Mercedes-Benz CLK430 4.3L No Start, Stall, NO POWER
We have a CLK 430 here, that has interrmittent low fuel pressure. Car was towed in for a no start. Of course the car starts virtually every time. Only when the car is at operating temperature, if you turn off the engine, wait approx. 10 seconds and attempt to ...		 View
1994 Mercury Villager 3.0L Surge
Used car dealer brought us this villager. Will not rev above 2000 rpms while driving. Acts like a rev limiter, every thing checked perfect here and at the Ford dealer. I have spark jumping on no. 5 cyl. replacing cap rotor and wires. Just wondering if this wil...		 View
2001 Mercury Cougar 2.5L brakes
Hello to all, thanks for reading. This car brakes quite well at lower speeds, infact quite touchy. Once you reach 50 MPH and up, it requires heavy braking effort on the pedal with very poor performance on the actual braking of the vehicle. It does not lock up...		 View
2004 Mercury Monterey 4.2L Misfire
Good Morning, this one has me puzzled. car came in 2 months ago for a misfire in #2 cylinder. we don't have an adequate ignition scope but it was obviously an ignition miss that was easily reproduced under load. we replaced plugs and wire set with Motorcraft p... Trouble codes: p0171 (Bank 1 Lean).		 View
1999 Mitsubishi Montero 3.5L shocks
I replaced the shocks on this vehicle with OEM electronically adjustable units from Mits. but have a question. The PN for the rears is the same for both sides. The fronts are different for each side. The KYB number on the tube for the fronts is the same for ...		 View
1990 Nissan Sentra 1.6L Alternator
Installed new alternator last fall.Car came in with white fusable link burt and not charging.Replaced link and burt it up again.Took alt off and had checked it was bad.Installed new alt again.Alt Light on in the dash with key on.As soon as you start car it blo...		 View
1993 Nissan Maxima 3.0L No Start, Misfire
This car originally came in for an intermittent no start and misfire when it ran. It originally had a maf code but unplugging it nor replacing it has mad any difference. I then tested the inj. The two that were open I replaced with new. It started ran but had ...		 View
1999 Nissan Frontier 3.3L No Start
Hey guys, this truck was towed in as a no start. Ran fine night before and just wouldnt start next morning. Determined no fuel pressure, at least not much. Sometimes I get a reading of 5 to 6psi and truck acts as though it will start. I studied the archives an...		 View
2002 Nissan Sentra 1.8L Poor Idle Quality
Is there any known issues with the variable timing on these? I see no TSB's relating to this. Is it possible that the timing is out even though it appears not to be? I do not have a Nissan scanner so data is limited. Any help appreciated!! Trouble codes: P1140 (Intake Cam Sensor no signal to PCM).		 View
2003 Nissan Altima 2.5L ac compressor
Hi all, I having a problem with multiple 2003 Alitmas with the same problem. When the outside air temp. gets 90 or above the ac belt will vibrate when idleing in gear forward or reverse. It transfers the vibration into the drivers compartment and sounds like i...		 View
2001 Oldsmobile Alero 2.4L battery
thanks in advance for any pointers. customer states that vehicle had to be jump started. has a new battery and starter(not installed here). vehicle started for us. checked connections @ battery. found both cables slightly loose. tightened positive cable and re...		 View
2002 Oldsmobile Bravada 4.2L rear air ride
Customer has complained of bags leaking over a couple of days sitting. Customer came into shop needs it fixed. We tested pump and its working properly. Has no leaks in air bags and lines. The car is in tip top shape and has not been abused. Is there any recall...		 View
1999 Pontiac Firebird 3.8L negative fuel trim
Howdy, This fireturd came from a neighbor shop they dropped a boneyard motor in it and then dropped it at our door. We cleaned the injectors and valve ports replaced a "made in china" coil pack that had a poor pattern, fixed a loose ecm connection and reset fu...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura 3.2CL 3.2L Safety
it was possible to clear the srs code using a short pin contector(MES) as honda calls it.. the wire connector to clear the fault codes is located in the L/F FUSE box inside the car.there are two srs connectors in the fuse , one has a spring loaded lock. this ...		 7
2000 Audi TT 1.8L window glass
Hello AUDI Techs As per advise on most of the replies I received they said to cycle the window up and down, hold the window switch in the up position, thereafter in the down position, now window works perfect. Thanks a lot to all the people that sent me re...		 11
2002 BMW 745i 4.4L leak from weep hole
Hello BMW Techs: We got several responses and all of them were weighed out. It was suggest by one or two responses to take it to the dealer and forget about it... and not to mess with it! I got one response from a guy that I have great respect for and he reall...		 6
2000 Buick LeSabre 3.8L temp guage
Thanks a lot to every one who responded to my request.After i had replace pig tail on the ect i could still grab wires and make gauge go goofy-so i started stripping back the wire lume to see if i could find the problem and after a little time and effort i fou...		 7
1997 Cadillac Seville 4.6L Blower Motor
thanks to everyones replies we replaced the blower motor and it works great... 		13
1999 Cadillac Seville 4.6L Poor Idle Quality, Hesitation, Cuts out, Misfire
found number five plug misfiring through side of plug and wires were also bad runs great now as for the trans code customer will drive for now thanks for the help Trouble codes: po300 (random misfire), po741 (torque converter solenoid).		 7
1996 Chevrolet Lumina 3.1L TCC operation
After checking the inputs and control for TCC, no definite cause was determined. The customer decided not to authorize further diag at this time. I appreciate all the replies and info I recieved, only wish I had the answer to share with everyone. Thanks again ...		 10
1996 Chevrolet Blazer 4.3L Poor Idle Quality, Poor Fuel Economy
Howdy fellers, Well I can finally say that I won't be working on this one for awhile. The owner went to the Fla. Keys on a two month vacation. He did tell me that the cat had been hollowed out, so that is the reason for that code. The vehicle is parke... Trouble codes: P0420 (TWC System low efficiency Bank 1), P01345 (CKPCMP Correlation).		 28
2001 Chevrolet Express 5.0L MIL Lamp on
Well this one is going back to the dealer for a reflash of the computer. Hopefully this will straighten out the problem Trouble codes: p0160 (no activeity bank 2 sensor 2).		 3
2002 Chevrolet Silverado 4.8L frt differntial/wheel
Hello,The customer chose to drive for a while longer I don't have much more information to add but would like the thank Randy,Brain,Mike, and Brad for your thoughts. Very helpful information about reverse thread bolts.any furture information will let you know....		 4
2001 Chrysler Sebring 2.7L No Start
hi all thanks for the replay they stir me at the right direction we found a power wire to pin 46 had no battery voltage we fix the wire and the ecm come to life we try to install the old computer but it would set a code at the srs module for miss match so we ...		 4
1997 Dodge Pickup 5.2L rear anti lock
Thanks to all who responded. I am aware that the rear speed sensor is often the culprit. I did not word my request accurately, the ideas I wanted were about getting the code. Tom [...] mentioned that there will be a black two wire connector with only one wir...		 5
1998 Dodge Pickup 5.9L Oil Pressure
Hi Guys and Girls, I got a lot of education from you all on these Cummins but this one has a strange problem. It was'nt the pump or strainer. Maybe worn bearings. Thanks again.		 7
1996 Ford Pickup 7.3L Poor Idle Quality, Hesitation, MIL Lamp on
I replaced all 4 glow plugs on that bank and had a hell of a time getting two of them out. Patience, spray lube and working them back and forth over and over paid off. The gasket electrical connectors inside were even worse than outside. After harnesses, harne... Trouble codes: P0236 (MAP sensor circuit performance), P0279 (Inj 7 circ low), P0263 (1 contribution problem), P0269 (3 contribution problem), P0275 (5 contribution problem), P0281 (7 contribution problem).		 3
1997 Ford Escort 2.0L MIL Lamp on
removed tube to clean.not real dirty,but now dpfe climes to 3.70 volts.customer drove car for a week or so,no light on.thanx again for the replies. Trouble codes: P0401 (insufficient egr).		 7
1997 Ford Explorer 4.0L engine
Its Fixed!!! This truck really took me to the edge of my sanity. I made up my mind that I was going to fix it and want to say thanks for the helpful replies. First I will have to say that there is a lot of infomation that is missing in [...]. Don't get ...		 6
1999 Ford Ranger 2.5L Poor Idle Quality
wel, stuff happens when you get stupid and forget the basics. this one is fixed. just for grins, i scoped out the ect, and whataya know way out of range. replace with oem part and all is well. thanks to all who replied.		 5
2001 Ford motorhome 6.8L MIL Lamp on
sorry for the delay. This one had to go to the dealer. Just heard back today that they had to put in some kind of grounding harness as per a tsb. I couldnt find a tsb in all data on this but i would like to know if it is valid. Thanks everyone for the inpu... Trouble codes: po722 (output speed sensor malfunction), po720 (output speed sensor signal), po503 (vss intermittent).		 6
2002 Ford Explorer Sport Trac 4.0L abs
WE INSPECTED AND CLEANED ALL ABS SENSORS AND PROBLEM WAS STLL THERE. WE REMOVED THE "NEW" NAPA ROTORS AND REPLACED WITH FORD ROTORS AND PROBLEM WAS FIXED. THANKS FOR THE GREAT RESPONSE. IATN IS A GREAT VALUE AND SUPPORT SYSTEM.		 13
2005 Ford Econoline 5.4L MIL Lamp on
Thanks to all for info. Will check tank for plastic degrading and possible fuel pump at a future date! The branch manager of this fleet wants to keep truck on the road at this time! Until the truck quits running or fails an emission test no further info. I... Trouble codes: P0191 (Fuel Rail Pressure Sensor Circuit Range Performance).		 7
2007 Ford Mustang 4.6L unknow
Because this 2007 Shelby GT has aftermarket equipment including modifications on the PCM, this vehicle's PCM has to be reprogrammed by the aftermarket company. IDS does not have the capability to reprogram the PCM on this vehicle That is the answer I got fro...		 1
1995 GMC Pickup 5.0L Poor Idle Quality, Cuts out, Stall
The customer finaly told me he just had his timing chain replace and was going to take the vehicle back and have them re-check their work, thank you for everybodys help. Tim from Las vegas.		 18
2002 GMC Sierra 6.6L No Start, Stall, Blows ECM-B fuse
Thanks to everyone who responded, special thanks to William [...] for his corrospondance. The fix was to replace the fuel transfer pump. I'm sorry for the delay on closing this request, once I told the owner to just keep the front tank full so he could use... Trouble codes: None (None).		 7
1992 Honda Accord 2.2L Fail-safe mode
Thanks for all of the help. The car has not acted up since I cleaned the ground, they are going to wait for any further repairs, to see if it acts up again. Most replies said the TCM was failing, that I can open it up and ckeck for burnt capacitors, is a commo...		 10
1998 Honda Accord 3.0L MIL Lamp on
We ended up putting on differnet brand of aftermarket cat. One not my my choice and two I'm not sure which brand. It was not labled. The diffenece was this cat had the O2 sensor in the middle of the converter. The other Cat we had installed had the )2 after...... Trouble codes: p0420 (Cat efficency below threshold).		 23
2005 Kia Optima 2.4L vibration
ty from conneticut, and rob from utah hit this baby right on the nail, thank you soooooo much, my headache is gone. thanks to all the replies also, they were quick, and very useful.the oil balance shaft was off 180, i used rob's and ty's idea for "flopping" th...		 7
1996 Lincoln Town Car 4.6L blower
thanks to all who responded.the blower motor control module is under the hood on the evaporator housing. the new module comes with a updated harness plug that needs to be spliced in. looks a little tricky to change the module ,but finding it was half the battl...		 14
1992 Mazda B2600i 2.6L No Start
Thanks to all who replied. After going through all of the info that was posted in response to my request, I went through all checks again. Still this truck will not start. The customer decided to tow it home and try to fix the problem himself.(I wished him the...		 6
1987 Mercedes-Benz 190E 2.3L Poor Idle Quality, Misfire
I first want to thank all of you who quickly responded to my request. The iATN group is the best. I did not have much fuel come out of #4 line at top of distributor while running. This is why I went after the distributor being at fault. I decided to pull the d...		 7
2000 Mitsubishi Diamante 3.5L code 54 a/t control relay
MOD was right on the wire colors, but not on the location. It is not BEHIND the dash, but BELOW the dash, on top of the tunnel bolted to a bracket to the right of the pcm & tcm. Mine had a large wiring harness blocking my view. Pull the carpet back and remo...		 5
2003 Mitsubishi Eclipse 2.4L 1-2 shift
I want to thank everybody who replied to my post. Changing the tranny gear oil did the trick. We used 1/2 80-90 and 1/2 10w30 thanks again Joe		 6
1999 Nissan Sentra 1.6L air bag check light
hello tech thanks for all the help turns out thesrs air bag control unit was the wrong application the car had dual air bag and the one that was replaced was for a single air bag I swaped it for another then i cleared the code an all is ok now 		5
1999 Pontiac Montana 3.4L harsh up shift
I believe this vehicle is now fixed. The transmission shop installed an OEM pressure control solenoid. Client has driven it for about a week and a half. It appears to be good. Thanks for the help. Craig		 3
2001 Saturn SL2 1.9L No Start
Thank you for your time and effort, After checking powers and grounds @ the pcm and finding other no problems we replaced the pcm with a used unit. We found a shop in the area that was able to reflash the used unit.The car started right up after replacing the ...		 7
1987 Toyota Pickup 2.4L relay
thanks to those who replied to such a basic request for assistance. the relay was yellow in color & located behind the speaker grille on the right side of the dash. We were able to continue our diagnostics with this information & repair the vehicle. we had a f...		 5
1989 Toyota Pickup 2.4L MIL Lamp on
Thanks for all of the quality answers. I replaced the oxygen sensor and that took care of the code 21(o2 sensor) and also took care of the code 51(switch signal). I figured I would have to adjust the tps sensor to remove the code 51 but as one tech said repair... Trouble codes: 51 (switch signal).		 8
2000 Toyota Avalon 3.0L pre ignition
well thanks to who all responded. but went back to basics ran compression test when hot was 210 psi. on all cylinders.Called ac delco hot line found max compression is 217psi.So took a borescope check pistons found they were hevily carboned up. So did a 3 day ...		 6
2001 Toyota Corolla 1.8L MIL Lamp on
Well this one is in the completed file. As Craig suggested we removed the VVTi actuator(intake cam gear) and it was in the locked position. According to Toyota you should be able to unlock it by applying 20 psi of air pressure to the oil feed on the gear. T... Trouble codes: P1349 (VVT System malfunction).		 3
1999 Volkswagen Cabrio 2.0L Power to Compressor
Thanks for ALL your assistance. It turned out to be TWO issues. First, the throttle body DID have to be reset. Used Ross-Tech's VAG-COM software and within 90 seconds we had power back to the compressor with a group 98 reset...who'd athunk it? Alas, the rebu...		 7
2002 Volkswagen Passat 1.8L MIL Lamp on
Thanks to all who replied. Matthew from Oregon was right on. We found that the turbo bypass valve was stuck. There was no movement when vacuum was applied. The client had recent turbo work done elsewhere so we had to send her back to the dealer for warranty. Trouble codes: P0299.		 5
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next