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2004 Acura TSX 2.4L radio lights
I have no Radio/AC Heater Lights. Everything works good but no lights for the buttons. I'm assuming that the bulb went out so I tried taking the radio out but ran into problems. I took out three screws even the one behind the hazard switch but this radio unit ...		 View
2000 Cadillac Eldorado 4.6L MIL Lamp on
DID A TUNE UP,FUEL FILTER AND INDUCTION SERVICE. CK. ENG. LIGHT ON.(not sure if light was on before tune up) dtc p0171&p0174. fuel pressure 36 psi koeo. changed fuel pump. Pressure from new pump the same. changed fuel pump again.(delphi).Pressure @40 psi. Ch... Trouble codes: P0171 (bi lean), P0174 (b2 lean).		 View
2003 Cadillac Escalade 6.0L suspension
well now heres one for you cadillac gurus hope you can help me out ive got an 03 escalade that has a wandering condition only when i go through a dip or even going over rough patches of road the steering remains stable but the body feels to be wandering scanne...		 View
1967 Chevrolet camaro rs 327CID headlights wont close
This car has recently been redone. The head lights open but dont close. I found the relay pack but dont have any wiring diagrams and am hoping someone has a diagram or info as to where to get one. All the relays look new and the wiring seems pretty much in ord...		 View
1985 Chevrolet Corvette 5.7L Starting
Here we have a 1985 vette that wont stay running. My scanner will not communicate with it either. Car goes as follows. Crank over wil run then sputter and die. Have spark and fuel pressure. If you hold it craking it will continue to run, but when key is releas...		 View
1989 Chevrolet Camaro 5.7L engine
Got a bad nightmare here. This camaro came in on a tow truck.Complaint was: running rough,sluggish on accel,backfiring through intake. Started diagnosing and found the following problems: intake leaking coolant,plugs & wires worn out,secondary air injection st...		 View
1995 Chevrolet Caprice 5.7L Misfire, MISS FIRES IN DRIVE
Hi everyone.I have a good one for you all.I installed a motor into this impala ss.The motor is from a 95 camaro.It starts fine but runs with hearing a little pop out of the exhaust once in a while.I checked the firing order and that is fine.When I step one the...		 View
1995 Chevrolet Pickup 5.7L Stall
OK! Im having problems with this truck.After replacing the relay because of code 54 and getting hot(relay), about a week later it did it again turn off & relay hot. I exchange with a known good relay and no start, 15 minutes later it starts.so I replace the fu... Trouble codes: 54 (fuel pump relay).		 View
1998 Chevrolet Malibu 3.1L Front suspension
We have a 98 Maibu that came in with a front end noise Clunk and rattle, we found that the right upper strut mount was worn out (the hole in the upper mount was actually oblonged). After replacing the upper mounts on both sides it now has a rattle like upper s...		 View
2002 Chevrolet Suburban 5.3L Dome light
I have stumper here. Customer complaint of no DRLS. Our inspection found a bad BCM. The BCM was replaced with a GM unit and programed by the dealer. All was well for a couple of days, now the customer says the dome lights stopped working. We diagnosed the vehi...		 View
2004 Chevrolet Silverado 6.6L MIL Lamp on
This truck keeps getting code P0045. Also after driving for a while code P0299 also appears. I followed diagnostics and leads me to replace ECM, but I'm certain that's not the cause. I commanded T/C solenoid with scan tool while using a test light as a jumper ... Trouble codes: p0045 (TC solenoid circuit fault), P0299 (TC underboost).		 View
2004 Chevrolet TrailBlazer 4.2L Headlights
The original headlight bulbs in this Trailblazer lasted for several years. The replacements last a couple of months at best. We have tried several different aftermarket bulb brands, and have used GM bulbs as well, none seem to last any longer than the others. ...		 View
2004 Chevrolet Tahoe 5.3L No a/c comp or rear air controls
Hi all, this came in from a local body shop from a deer hit and the tech there did the replacement of items as needed and as usual brought it to me for the final a/c repair. system is sealed and I have no compressor initialization and rear air controls are ino...		 View
2006 Chevrolet Malibu 3.5L MIL Lamp on
Thank you in advance for any help you can provide. we had check fuel pressure which was good, air flow sensor, check every air hose, evap system, check for leaks on intake gasket, everything seems fine, Not quiet sure what else to check. Thank you. Trouble codes: P0171 (System Too Lean Bank 1), P0174 (System Too Lean Bank 2).		 View
2000 Chrysler Town & Country 3.8L tcm
hey guys this van has no communication with my modis and i have a no ccd message from tcm code p1698 check the ccd bus lines i have 2.2 volts and great coninuity to pcm and dlc. the tcm is not turning on the transmission control relay and i have no really good...		 View
2004 Chrysler Concorde 3.5L Noise
Noise/Grone/Vib happens at low speeds only. Can get it by stressing the engine just slightly in gear and foot on the brake. Noise is coming from Alt.area. Removed belt, nose is gone. Alt,PS, and tensioner all feel fine. All brackets are tight no visable cracks...		 View
1997 Dodge Stratus 2.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Engine runs rough at idle and hesitates on acceleration. I tried to motorvac the vehicle but no help. Fuel pressure is good. Volume is good. Checked for vacuum leaks with smoke machine. No leaks found. I'm thinking I have partially plugged injectors. I don't r... Trouble codes: P0300 (Randommultiple misfire detected.), P0171 (System too lean bank 1).		 View
1998 Dodge Caravan 3.3L emmision rejection
monitors not run,after drive cycle.on otc scanner is going back pcm to abale to diable.im thinking pcm? help me out chry. fans.vehicle is not failed emmis. its been an reject. youy help would be great.		 View
2002 Dodge Stratus 3.0L 3-4 shift
lets start by saying thanks to anyone can help car came in trans slips in all gears fluid burned up sent trans out to rebuild came back with slight slip going into 4 th tried another unit did exact same thing have tried all solenoids still same car has after m...		 View
2002 Dodge Caravan 3.3L Limp Mode
Im stuck in limp with code 725 (Speed sensor prob) which will return during a test drive after being canceled. During that short window, trans shifts normal. I did wire in new pigtails to both speed sensors, to no avail. My scanner shows RPM's on both input an...		 View
2003 Dodge Neon 2.0L guages
Members, thanks for any help in advance! Our customers complaint was having the fuel and temp gauges go to max while at the same time the speedometer would drop to zero. condition would duplicate only if vehicle had sat for more than thirty minutes. Once start...		 View
2004 Dodge Stratus 2.7L timing
Thanks in advance for any help. This car came in with a leaking water pump, so I pulled the timing chain off and changed out the pump. Timing is right on and I installed a new tensioner. After putting the car back together it would not start. Pulled the valve ...		 View
1967 Ford MUSTANG 302CID turn signals
i have a 1967 mustang that has no turn signals, flashers work but no turn signals replaced turn cam with no luck, does anyone have a wiring diagram out there i would greatly appreciate it. have power up to turn cam. if you have a diagram and could fax it to 40...		 View
1987 Ford LTD Crown Victoria 5.8L starter
The problem with this retired police car is the starter will not disengage. At first the car would not start at all. We jumped the starter solenoid and got a brief crank from the starter and then a small pop. Replaced the starter solenoid and moved a loose gro...		 View
1988 Ford Bronco II 2.9L Hesitation, Cuts out, Stall, Misfire
This Bronco came in with a severe hesitation on accel & a stall at idle. Customer states that there are 2 new fuel pumps & new coil. Coil looks new. Fuel pressure is a steady 30 at idle and 28 snap. It runs great at idle, most of the time. Once in a while it w...		 View
2000 Ford Pickup 7.3L Hard Start Cold
Greetings fellow techs, We don't do a lot of diesel work at our shop but have a good customer that we'd like to try and take care of. He has a 2000 Ford F350 with the 7.3 Diesel. Problem he is having is in colder weather the truck takes longer than normal to s...		 View
2000 Ford Econoline 7.3L Glow plug and intake heater circuits
Intake heater and glowplug circuits, along with fast idle are inoperative, We have done all pinpoint tests in Ford shop manual and it indicated faulty ecm, we replaced ecm problem still exsists. It is throwing one code P0540 intake heater circuit a, data strea...		 View
2003 Ford Pickup 5.4L heater controll
replaced the controller once all ready, still had no change to operation. removed actuator and door moves freely and actuator bench tests good. The vacuum to the defrost door is good at 14in. controller valve body bench tested good. Air conditioning works good...		 View
2003 Ford Pickup 5.4L Misfire, MIL Lamp on
Ok guys I have 2003 ford f250 Superduty with a 5.4L V8.Sets a P1131 lack of HO2S lean sensor 1-1,and a P1132 lack of HO2S rich sensor 1-1,and a P0171 lean bank 1.I know there are updated O2's that I have coming from ford.But the thing I do not get is that in m... Trouble codes: P1131 (Lack of HO2S-1-1 lean), P1132 (Lack of HO2S-1-1 Rich), P0171 (Lean bank 1).		 View
2004 Ford Pickup 6.0L No Start
the truck will not start, checking high pressure oil will only go to 480 psi, unplugged icp, still no start, air checked the high oil circuit good at 100 psi, can make start on wd40 into air cleaner, stop spraying and truck will die Trouble codes: 2291 (icp pressure too low).		 View
1998 GMC Jimmy 4.3L abs
Hi Everyone, This truck is in with an ABS pulse under slight braking. When checking trouble codes and doing diagnostics, no codes were present, and the rear speed sensor appears to be reading steady & normal, but both front sensors read periodically from zero ...		 View
2003 GMC Cab & Chassis Sierra 6.6L Check engine light
Vehicle came in with a return code P2066- fuel level sensor secondary problem. Checked fuel level sensor Ohms wise, 40 Empty, 250 Full. Does anyone know what tells the ECM to fire or power up the auxillary tank fuel pump to transfer fuel from rear tank to fr... Trouble codes: P2066 (Fuel level sensor secondary problem).		 View
1996 Honda Civic 1.6L rack and pinion
when you turn a corner this vehicle does not return to the straight ahead position. After checking for tight ball joints and none were found the rack was changed and an alignment was done there is still no significant change. When driving down the road you are...		 View
2001 Honda S2000 2.0L Misfire, MIL Lamp on
Hello to all, We have a 01 honda s-2000 thats been in now a couple of times with misfire codes p0301 & p0303. we swapped ignition coils and replaced plugs the 1st time it was in. (we have never experienced a misfire) Vehicle returned about a week later with sa... Trouble codes: p0301 (p0303-), p0303.		 View
2002 Honda Civic 1.7L Hesitation, Cuts out
This vehicle cuts out intermittently. Customer drives to work for 30 minutes in the morning and car runs fine. At 12:00 when she goes to lunch the vehicle hesitates/cuts out badly for a minute and then straightens out. We have duplicated the condition with a f...		 View
1979 Jaguar XJ-S 5.3L Excessive Emissions, Poor Idle Quality, Misfire
the engine was rebuilt by other technician 6 mts ago. now the engune running to rich at idle, poor idle , some smoke on acceleration, hose of vaccum advance disconnected but cant find where it goes, tried adjust ecm in boot but nothing change. thanks in advace...		 View
1999 Jeep Grand Cherokee 4.7L Stall
The complaint is that this Jeep will occasionally die while driving. It will restart and run ok until next time. After much driving I haven't been able to get it to die but I did get it to set code P0108, map sensor voltage high. According to the freeze frame,... Trouble codes: PP0108 (Map sensor voltage too high).		 View
2003 Jeep G. Cherokee 2.7L solenoid
Hello This WG 2003 Grand Cherokee is europen diesel version (2.7 CRD). Engine and transmission from Mercedes. TCM will go to limp home mode sometimes with code "Power supply to solenoid". ECM will set code P0700. There is a TSB (21-009-08) regarding a very ...		 View
1991 Land Rover Range Rover 3.9L oil press lite
over night engine oil light came on after startin g and doesnot go out. i don't knpw this vehicle and i did look through the oil fill and there is no visible oil on top. rockers dry. is there a rover guru out there to point me in the right direction, its the b...		 View
1999 Land Rover Range Rover 4.6L thre lites on
abs tc brake warning lites still on help.		 View
1998 Lexus ES 300 3.0L Surge
Thanks in advance for all who take the time to read this. Customers complaint is of a surge at steady speeds about 30 – 40 mph (1500-2000 rpm’s). I have no codes. I can see misfires on cylinder #’s 1,3, and 5 while driving at a steady 40 mph. If I disconnect t...		 View
2002 Lincoln LS 3.0L cooling fan
This vehicle is equipped with a cooling fan power steering assist works with power steering pressure from the pump. Cooling fan doesn't come on even after normal operating temperature has been reached. No water leaks, electrical circuit checks out good, no pow...		 View
2004 Lincoln LS 3.0L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on,
Dear iatn members this car sometime runs fine and sometime not especially cold. I replace the #4 coil because it would not pass a spark test and was misfiring cold. The car misfires when cold turns the check engine light on and the wrench light on. It sets P21... Trouble codes: p2107 (p2110-), p2110 (p0354- coil driver d), p0354 (coil driver d), p0355 (coil driver e).		 View
1991 Mazda MX-5 Miata 1.6L Poor Fuel Economy
runs rich when cold and the coolant temp sensor is new as well as the fuel pressure regulator.were kinda stuck here on this one, were checking everything, but could use a little direction if any one else has had this situation before. thankyou		 View
2000 Mazda MX-5 Miata 1.8L MIL Lamp on
cleaned all egr passages also found boost sensor at times not working dont know were else to look Trouble codes: 402 (egr flow exsecive).		 View
2001 Mercedes-Benz SLK320 3.2L door locks
Hello, Merc Techs. I have a SLK320 that won't operate its door locks from the remote key or the lock button on the center console. When you press the unlock button on the remote key the blinkers flash but won't lock or unlock. Have scanned the car with Hanatec...		 View
2001 Mercedes-Benz ML430 4.3L No Start, Poor Idle Quality, Stall, MIL Lamp on
Thanks in advance for any advice and info. This vehicle was towed to me with a no start/cranks condition. I did get the engine to run once but it went dead within a few yards. Found the code P2034. I have found this a few times and cranks sensors have always c... Trouble codes: P2034 (cam sensor fault).		 View
2002 Mercury Sable 3.0L No Start, Stall
Has a new computor,eng. wiring harness,crank sensor new spark plugs,wires coil pack and ISC.First came to shop with po300 was cutting under load now just at idle in park shuts off.What we did notice is you have to cycle the key for it to restart,if you crank w...		 View
1988 Mitsubishi Van 2.4L Misfire
hello Mitsubishi techs . this van has a severe misfire ( especially under a load ) i can see multiple misfires on all cylinders on the scope , this is an ignition misfire ( not fuel ) scope shows all distributor outputs are good . my misfire is on coil negat...		 View
1995 Nissan Altima 2.4L Poor Fuel Economy
Customer complains the vehicle achieves a maximum of 11MPG. Scan data shows a sluggish O2 sensor, but when checked with oscilloscope does operate properly. I suspect ECM but the part is $1000 and I don't want to make a $1000 mistake. The oxygen sensor has been... Trouble codes: P0325 (Knock Sensor).		 View
2000 Nissan Maxima 3.0L Misfire, MIL Lamp on
This is the vehicle from hell. Now I have a problem with cylinders 4 & 6. Have replaced both coil two times, one with a NAPA and one with A factory coil. #2 coil was replaced less than 629 miles. I saw a some replies that indicated the wiring harness may be th... Trouble codes: P0300.		 View
2003 Nissan Altima 2.5L timng cover
we are removing cyl. head to inspect coolant in two center cyl. when removing front cover we can only get it to move out at top.in are books it just saids to remove the bolts on the outter side of cover this is a two peice cover.are there more bolts coming up ...		 View
2006 Nissan Sentra 1.8L MIL Lamp on
I have a weird one here. I am using an OTC Genesis scanner with all the latest updates and the car I am hooked to has 2 codes listed above. My problem is on the scanner B1S1 reads around .33 mV while B1S2 switches between 1.25 and .007 mV. Normally I would thi... Trouble codes: P0138 (B1S2 high voltage), P2A00 (B1S1 performance).		 View
2000 Oldsmobile Alero 2.4L automatic door locks
Replaced lf door latch with dealer part. Customer came back next day stating that doors did not lock when placed into drive. Tried things I've found in fix database, but have no owner's manual. Supposed to be relearn procedure. Nothing found in Alldata. Anyone...		 View
1989 Other European Silver Spur 6.9L Cuts out
Due to a boneheaded press of a button I mistakedly and erased my help request dated 4-7-08 Instead of the request listed 3-08 So actually I need help with help request Dated 4-7-08. Not the closed w/fix Date 3-25-08 any help would be greatl appreciated.Joseph(...		 View
2002 Pontiac Aztek 3.4L radio-rear speakers, romote door locks, heated frt
has no rear sound from back seat or very rear speakers. only front speakers in doors and front tweeters work. i check'd at the amplifier and if my diagrams are right i have signals. so i ordered a used amp and installed it and the same thing. this car has ster...		 View
1997 Saab 9000 2.3L Door casing
The car came in with a loose outer door handle and complaints of intermittent door locking & unlocking. In an attempt to gain access to the inner door, I began to remove the casing. I removed 5 screws and popped the push pins and had only the mirror switch pan...		 View
2004 Saab 9-3 2.0L sid, radio
Engine was started with jumper battery. Battery was later trickle charged. When vehicle was restarted sid was inop. Door ajar icon only. Accessed codes with tech2. ICM not added. Tried adding, removing & re-adding. When checking security acces I get error code...		 View
1993 Toyota 4Runner 3.0L Excessive Emissions
Hello everyone, This 4Runner came to me after an emissions test failure. It failed the test for very high NOX (1400/1700) during both the 15mph and 25mph tests. Someone had stolen the Catalytic Converter out of it three months ago so this one is brand new. I ...		 View
1997 Toyota Tercel 1.5L compressor
I have a Tercel that came in the shop a couple months back for no a/c. One of the other techs put a reman compressor on and couldn't get the system to work after installation. The speed sensor wiring was cut. The wiring on the sensor was fixed and still no a/c...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 528i 2.8L air bag
Thanks to all that replied. The vehicle has been gone for aweek and no light.It ended up being the air bag module.I first checked the circuit resistance from the airbag to the module.that checked out ok.Then i checked the air bag by jumping the air bag connect...		 9
2000 BMW 323i 2.5L p.s
Hey guys thanks for the replies the fix seemed to be the system just needed to be bled thank you again and god bless		 9
1990 Cadillac Eldorado 4.5L Poor Idle Quality, Surge, lack of power
thank you for all your replies. found and injector fuse blown installed new fuse vehicle running excessively rich. scoped injectors found ecm grounding #6 injector constantly replaced ecm. vehicle now has 18 inches vacuum and idles at a steady 800rpms thank yo...		 11
1988 Chevrolet S10 Pickup 2.5L Hesitation
Hi folks. Replaced defective distributor. I had a hunch, but figure get some other ideas too. Thankyou all		 16
1991 Chevrolet Lumina 3.1L Excessive Emissions, No Start, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy
found #4 injector has only 6 ohms of resistance , but customer opted not to make repairs at this time so don't know if replacing would fix the problem completely Trouble codes: 45 (running rich).		 17
1996 Chevrolet Cavalier 2.2L No Start
We checked for continuity from lock cylinder to base of column and signal wire appeared to be intermittent. Fixed open wires that run down column from the lock cylinder. Thank you for everyone's help. 		23
1998 Chevrolet Pickup 5.0L valve
Well one bent pushrod later and the truck runs like a wrsitwatch again. Thank you all IATN for allowing me to sleep at night by telling me that i did not bend a valve. Have a good day everyone.		 37
2004 Chrysler Pacifica 3.5L drivers side windows inop
Well, after lots of time, very intermitant problem, found partially broken wire in the harness near the kick panel. Next time I'll know where to look!!!		 1
1990 Dodge Dakota 3.9L rear main seal
Hello and thank you all. Most everyone said there is a tool for this. I couldn't get one today. Others said a wire worked around to loosen had been tryed. I already had the timing chain off for replacement so I unbolted the converter and crossmember then loos...		 15
2000 Dodge Grand Caravan 3.0L Low vacume, power
I got this van figured out friday night but waited till parts were order and installed to confirm. After spending more time with fuel and tried to trick the fuel trim, it always compesated correctly. It's working fine. Check cam lobes, found #6 intake ground d...		 10
2002 Dodge Caravan 3.3L limp mode
WELL AFTER 3 PLUS DAYS, AND 2 TRIES AT DART DIAGNOSTICS AND FAILING, I TOOK A STEP BACK. I STARTED OVER WITH RECHECKING POWERS AND GROUNDS TO THE TCM AND PCM AND ALL WAS STILL GOOD. I WAS STILL MISSING RELAY POWER SO I CHECKED POWERS AND GROUNDS AT THE FUSE BO...		 13
2004 Dodge Pickup 5.9L heater
it was the door flap that makes heater & defrost fix it and working find thanks to jeff i could not see the motor for defrost took it off & it was strip plastic cheap dodge they should put some steel rod in there so thank you i like iatn its great lots off goo...		 1
2005 Dodge Durango 4.7L dome lights, dimmer switch and curtesy lighting u
THERE WAS A LOOSE CONNECTION @ C3 OF INSTRUMENT CLUSTER, I APPRECIATE THE IDEAS GUYS THANKYOU.		 7
2005 Dodge Pickup 4.7L Stall, MIL Lamp on
I would like to say "Thank You" to all of you that gave me terrific input on this situation. I would also like to give a special Thanks to Robert [...], Tom [...] & Gilbert [...] for nailing this diagnosis right on the head. The problem was I did not discon... Trouble codes: PO404 (EGR Position Sensor Performance), PO405 (EGR Position Sensor Circuit Low).		 10
1987 Ford Pickup 5.0L Poor Idle Quality, Surge
The problem was a bad distributor. It was a famous name remanufacturer that evidently felt the original stator was good enough to reuse. We got the shop that installed it to order another (which had a new stator) and voila! It is fixed. Kudos to Terry from ...		 22
1994 Ford F800 8.3L Fuel Shut Off Solenoid
Thanks to all who posted with help hooked up the pull wire to start signal, hold wire to a 30amp relay got part no. from ford dealer in San Antonio. Ground to chassis worked great THANKS again.		 3
1999 Ford Mustang 4.6L Poor Idle Quality, Hesitation, Misfire
thanks to all who replied it seems that one of the cats were clogged, i really whated to find something else, maybe something i did when installing the intake, but the misfires caused driver side cats to fail. Shawn [...]		 12
1999 Ford Contour 2.5L noise
Hello there, most of you said to replace the IAC and that did the trick! One said to replace it with a Motorcraft one but when I called the dealer they said it was no longer available. So had to go with aftermarket one. Works great Cust is extremely happy. Tha...		 17
2000 Ford Pickup 5.4L wipers, power windows, power locks, starter
Thanks to those who took the time to help out. Several factors played in on this one. The root cause seemed to be a leaking windshield, which many of you suggested. The two things that threw me for a loop were: 1. Apparently not all the problems surfaced at th...		 10
1991 Honda Civic 1.6L Excessive Emissions, No Start, Hesitation, Cuts out
Thanks for all the help with what the # 6 Flashes was we did replace the temp sensor which help the final fix was the coil out=put was low about 5kv we replace the coil which was over 15KV & the car ran fine , The coil being low output the car would start & r... Trouble codes: 6 (6 flashes manual reading).		 13
1999 Honda Civic 1.6L MIL Lamp on
thanks for all the help after alot of time working on the honda it was a bad ecm not turning on the evap system thanks for all your great help Trouble codes: 1457 (evap emission system leak dectected evap control canister area).		 8
2000 Honda Accord 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on
Thanks for all the help guys but after all the sugestions were completed, plugs, valve adjust, injectors, pressure regulator, monitored o2 sensor, ect.. In was unable to change a thing the customer is going to continue to drive it and see what the summer blend... Trouble codes: P0300 (Random misfire).		 18
2002 Honda CR-V 2.4L MIL Lamp on
Well, first of all THANK YOU to all who replied! Another lesson learned, if it seems too good to be true, it usually is! Those aftermarket cats just aren't the same as the O.E., period. For the sake of saving the customer some money and being a hero, now It's ... Trouble codes: p0420 (Catalyst effeciency out of range).		 17
1994 Isuzu Trooper 3.2L ride control
Thanks for the quick response, our next step was going to be a steering gear but the customer declined to spend any money on repairing the truck. Once again thanks for the info everyone provided. This site really helps out on some of the goofy problems we enco...		 4
2005 Lexus RX 330 3.3L cooling fan
Hi, all members: I got the answer by mesauring another vehicle.The fixed frequency (HZ) for the PWM signal sent from ECM is 24Hz.The PWM signal is 0-5V square wave. Thank you very much. 		2
2002 Mercedes-Benz C230 2.3L SRS system
I am closing this MBZ with the SRS B1010 DTC. I believe it is fixed. First off the Genisys description of the DTC is poor at best. The DTC is for the left rear seat belt tensioning squib. Wade suggested substituting a resistor and doing a resistance chec...		 6
2002 Nissan Quest 3.3L vcr/radio
Thank you very much for all the Iatn members. We had to send the car in to the dealer and was fixed.		 3
2005 Nissan 350Z 3.5L Power window
Unfortunately the customer was not able to leave the car with us long enough to do any diagnostic work after doing the other work they originally had made the appointment for. They told us they had thought about trading the car in because they haven't been tha...		 3
1997 Plymouth Grand Voyager 3.3L No Start
Not a lot of replies on this one, I haven't fixed it yet either. Scoping the cam and crank sensors on this van and a running van, the signals are clean and aligned almost exactly relative to one another. I took the PCM from the non-running van and installed it...		 7
1993 Pontiac Grand Am 3.3L gas in oil
EVERYBODY AGREED THAT THERE AREN'T A LOT OF WAYS TO GET THIS FUEL IN THE OIL IN THIS SYSTEM. THE EVAP SYSTEM WAS DRY, FUEL PRESSURE REGULATOR WAS NOT RUPTURED, ALL INJECTORS OHMED WELL AND PASSED THE FLOW TEST WITH REMOTE ACTUATOR. ONLY REAL CHOICE I HAVE NOW ...		 10
2000 Pontiac Firebird 5.7L Poor Idle Quality
Customer decided that he will run vehicle as is for now (been this way for years) and we will investigate a little deeper when the time is right. I never was able to get the right answer on pulsation dapner and customer not willing to pull fuel tank and stick...		 6
1983 Porsche 944 2.5L Excessive Emissions
Thanks for the help fellas. I had the customer finally return so I could work again. I ended up cleaning the tops of the pistons with water injection and then rechecked, this seemed to do the trick. Lowered nox 560 ppm. Thanks again for your help.		 10
1989 Porsche 911 3.6L No Start, Stall
911 is still at the dealer getting parts thrown at it. they have replaced both ignition moduels, I checked those they are good. Crank sensor for funny looking signal. They (Valley Auto world) told cust that the crank sensor runned the ignition moduels??? ...		 10
1996 Saturn SL2 1.9L pres. plate
i had 17 replies to my saturn clutch problem and i appreciate all who commented. most believed the best avenue is to remove the transmisson for a better look at all the components involved. i convinced the owner to go this route and have scheduled it at a late...		 17
2000 Subaru Outback 2.5L Noise
Thanks for the 4 replies on the vibration noise at idle on a 2000 Subaru Outback. I haven't had a chance to check this vehicle as the lady hasn't called back. I was gone a week and haven't heard back from her. Thanks to David from Illinois for the suggestio...		 4
1999 Toyota Camry 2.2L shift solenoid
OK, got this one figured out. Here is a synopsis of what I learned. First, I guess because there just is not many issues with these transmissions, many folks (including Toyota dealer techs) don't know much about them. Several people I talked to stated the S...		 4
2001 Toyota Camry 2.2L Hesitation, Surge
customer took a month to bring the car in for check out. Vehi cle had a bad coolant temp sensor.Replaced sensor car is aok.		 8
2002 Toyota Sequoia 4.7L Skid Control Module
Thank you all. Replace logic module and perform updated relearn on yaw rate. 		7
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