Prev iATN Members TechHelp for June 25, 2008
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1992 BMW 850i 5.0L uncknown
This 8501 will not charge battery at idle after turning engine on. After accelerating car up to about 3000 - 4000rpm it will start charging. After that even at idle charging is normal. Tachometer is not working at instrument panel. There is some other instrum...		 View
2001 BMW 325Ci 2.5L No Start
I need some help from you BMW guys. I have this 325 that has a very intermittant no start. I cant get it to happen here. I did add a LED to the power and grond turn on wires for the DME relay. The customer stated it did not light up while trying to start. Powe...		 View
2003 BMW X5 4.4L battery
SUV came from another shop with a battery death after 2 hours car locked or unlocked. They've replaced battery but still. I found here that the radio is on all times even with key out of the ignition, also we got data from ZKE module telling me that driver's a...		 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
1995 Cadillac Eldorado 4.6L Poor Idle Quality, High Idle
We replaced the IAC motor, no change. Start car, goes to 3500RPM, will go to 1000, but no lower. We took IAC off, can lower idle by hand. We also did an idle re-learn, no change!! HELP!! Trouble codes: 27 (Throttle Switch or Circuit Openhistory code), 52 (Defective ECMECU RAM Chip error history codde), 109 (Internal ECM Problem KAM Checksum history code).		 View
1996 Cadillac DeVille 4.6L MIL Lamp on
vehicle came in to shop running poor and ses light on, originally. 6 codes stored po171, po174, po131, po138, po151,p1139. fixed poor run with plugs, wires, and fuel filter and cleared codes. (hoped repair would eliminate some codes) vehicle returned with same... Trouble codes: PO131 (sig. low b1-s1), PO138 (sig. hi b1-s1), PO151 (sig low b2-s1), PO171 (sys. lean b1), PO174 (sys. lean b-2), P1139 (ho2s b-1 s-2 insufficient switching).		 View
1988 Chevrolet Corvette 5.7L No Start
We have this corvette here that intermittently has no injector pulse. We have it narrowed down to a bad vats module. When it wont start we have no signal on the vats wire at the ecm. When it will start we have a perfect signal. My question is, how do you get t...		 View
1991 Chevrolet Pickup 5.7L charging gauge
with the original alternator truck charges good 13.8 to 14.0 volts.only when u turn on blinkers or hazerd the charging needle in the cluster starts fluctuating and moving down at the speed of the turn flashes till it reaches 12 volts and stops charging. after ...		 View
1995 Chevrolet Camaro 3.4L Misfire
GM Techs, Here is this camaro yet. Come in for misfire. Ran tests and found #1 Injector not flowing any fuel. Spark plug was fouled(black). Sandblasted spark plug to clean, had good compression(not running), has good spark. Replaced the fuel injector on #1 wit...		 View
1999 Chevrolet Pickup 7.4L Poor Idle Quality, Misfire
Hi Everyone and thanks in advance for the help. This truck came to us after the customer replaced the plugs and wires Due to a misfire.( He installed Bosch +4 plugs, I would have used Delco's) That did not fix the problem so now it's my problem. With 87k on th...		 View
1999 Chevrolet Venture 3.4L door locks
The customer came in with this van and the the doors keep tring to unlock. I went out and the locks keep activating in the unlock mode about 4-5 times a minute and then they stopped, it sat here and about a half hour later it started doing it again. I did noti...		 View
2000 Chevrolet Suburban 5.3L Mechanical
NO COLD AIR IN FRONT!!COLD IN REAR. THIS VEHICLE WILL NOT BLOW COLD AIR IN THE FRONT OF VEHICLE, THE REAR A/C WORKS GOOD. THE PRESSURES ON THIS VEHICLE READ OK, WITH AN OCCASIONAL SURGE IN HIGH PRESSURE. THE VEHICLE HAS JUST HAD A NEW ACCUMULATOR AND THE BLEND...		 View
2001 Chevrolet Suburban 5.3L intrument cluster
this truck came in customer states instrument panel lights dont work but sometimes she hits a bump and they flash on . Of course i thought short then i determined it was the gray wire into the ip cluster that has no power but the only info i have on this wire ...		 View
2005 Chevrolet Tahoe 5.3L abs
good afternoon i have a 2005 tahoe 4wd here, the complaint is when you take off from a stop the traction light comes on and the truck will not accelerate for about 3 seconds. i checked for codes and there is none, hooked tech2 up to watch data and there is no...		 View
2006 Chevrolet HHR 2.4L MIL Lamp on
I have this 2006 HHR here that is being a nightmare! It came in with codes P0121, P2176, P2135, and P2119. All for the two TP Sensors after testing the ckts and driving the vehicle trying to get it to act up we finaly replaced the throttle body with both the T... Trouble codes: P2135 (TP Sensor 1-2 Correlation).		 View
2007 Chevrolet Tahoe 5.3L rear glass
please help. problem is the the rear glass on the lift gate opens by its self when you operate the power lift gate open and close. it will mainly pop open when its closing. one time it popped open with just closing the driver door and once with inserting the k...		 View
2002 Chrysler PT Cruiser 2.4L Inaccurate
This PT Crusier was just purchased off a used car lot. The customer came in complaining it "uses too much gas". I know I get this every time gasoline prices rise, so I asked if he tracked his gas mileage. The customer says, "I don't have to... All you have t...		 View
1997 Dodge Pickup 5.2L rear anti lock
the abs light is on intermittently. scan tool will not read this system. mitchell, alldata & identifix instructions say to ground pin 13 of the underdash connector to start the light flashing codes. pin 12 & 13 are blank on this connector. any ideas ?		 View
2001 Dodge Pickup 5.9L front pads
All brake functional tests appear normal as to apply and release operation with veicle on lift. No delayed apply or delayed release observed. Road test after installation of severe duty (aftermarket) pads and new rotors reveals normal pedal feel and function. ...		 View
2003 Dodge Neon 2.0L engine
Hello all, hope you can help us out with this problem neon. We had this car come into the shop with a complaint of engine noise, we isolated the noise down to the water pump so we replaced the timing belt, water pump, and timing belt tensioner. (dealer parts) ...		 View
2003 Dodge Pickup 5.9L Cuts out
P0341 cam sensor code Trouble codes: p0341 (cam sensor).		 View
2004 Dodge Durango 4.7L all
I test drove it to confirm the running hot, trans shifted fine, pulled it up to the bay, the tech does the water pump, (plastic impeller breaks and don't pump efficiently) and was going to test drive it and the trans will do absolutely nothing no matter what g...		 View
1998 Ford Pickup 4.6L Rear Brake Lock up
Rear Right Brake Lock-Up coming to a stop 10 mph or less. Linings are Great. Clean & Dry. Replaced Shoes, hardware & adjusters at last brake job. Machined Drums with a smooth finish. Replaced shoes again with thermo-quiet shoes. Seems to be good for a whyle, t...		 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
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
1996 Honda Accord 2.7L Unknown
This 96 accord came in with a complaint of a brake pedal issue? First road test all that was felt was a pulsation. Inspected and mechanicals look ok. Found in shop with vehicle running the pedal will fade/drop some with light pumping of the pedal.(like bad mas...		 View
2004 Hyundai Santa Fe 3.5L cylinder head
dropped a washer into engine while changing spark plugs now embedded in cyl head service info recommends to remove engine to remove cylinder head is this the best way to approach this repair any advice would be gratefully received		 View
2000 Infiniti I30 3.0L MIL Lamp on
Open to any and all ideas. Direct question concerning the knock sensor - will the ECM create a problem in the absence of the knock sensor input? (According to Alldata the knock sensor DTC will not illuminate the MIL). Car otherwise starts and runs fine. Trouble codes: P0430 (Cat efficiency low bank 2), P0325 (Knock sensor failure).		 View
1998 Jeep Grand Cherokee 4.0L guages,windows,locks
I have a problem for the Chrysler guys. Customer came in stating that he went to unlock the car with the key fob and the drivers door didn't unlock. However all the other doors did. Upon entering the vehicle he noted that the D/S door lock switch only locked/u...		 View
2005 Kia Optima 2.4L vibration
thanks for you're replies ahead of time! Let's get started shall we? 05 Optima, 2.4 4 cyl, comes in for timing belt job/water pump, no biggie. This car also has a alance shaft belt, seperate from the timing belt. On removal, i brought everything up to TDC, c...		 View
2003 Land Rover Range Rover 4.4L air bag light
hi guys we scanned this truck for codes with launch we got codes 62 and 74 but no definition what i need is the deffinitions for these 2 codes we used the launch and this is all i could get out of it all help is needed thanks		 View
1996 Lexus LS 400 4.0L CD player
Good Evening When the customer puts a CD into the CD player(player is in back of console), "ERROR 21" is displayed on the dash unit audio system. What is ERROR 21? Thanks for any info you can give us on this. glen		 View
1998 Lexus ES 300 3.0L abs module
Hey Guys, We recently serviced this vehicle for rear suspension strut replacement due to a soft suspension complaint. All went well with no complications but when the vehicle was picked up after sitting dormant for a week or so the "abs" and "trac" warning la...		 View
1996 Lincoln Town Car 4.6L Digital speed
Car came in,states speedo reads 120mph at idle, when moving reads from 75-95mph (While cruising 5MPH), replace VSS & speedo head, still the same,one thing I discover that if you move sensoraway from transmission while still idling in Park, speedo shows Omph, i...		 View
2000 Lincoln Navigator 5.4L air conditioning
Air conditioning blower changes at random from vents to defrost and remains on defrost unless vent button is pushed changes over but when ac max is pushed again stays on vents for a short period of time then changes to defrost again. Checked for a vacumn leak ...		 View
1993 Mazda MX-3 1.8L Stall
Hi All mazda tech's just a quick question I have a 93 mx3 (mine) I think I have a bad iac motor. reason being. either driving or at a stop, Idle speed hangs at 1500 rpm for aprox 45 seconds then drops to 1,00 rpm for a few seconds then drops to dead it drops ...		 View
1994 Mazda 626 2.5L shifting
After the tranny was installed they could not make the car run. I found the ECM toasted. Replaced with a reman unit. Found codes for the coolent temp sensor, the EGR and the right O2 sensor. Test drove when the tranny shifts out of first it freewheel. I have...		 View
1987 Mercedes-Benz 190E 2.3L Poor Idle Quality, Misfire
This 190E was running great until 4 days ago. It just started up cold and ran rough for the customer. At idle is the worst. Off idle is ok and it seems good under load. Feels like a vacuum leak or a restricted injector. I checked the compression, good at about...		 View
1988 Mercedes-Benz 300SE 3.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire
Hello People, I have one thats got me stumped. After original repair, the vehicle (putting it mildly) "runs like shit" This situation all started after replacing the A/C compressor clutch. Brief description of original diag. and repair DRIVER COMPLAINT= A...		 View
1988 Mercedes-Benz 560SL 5.6L compressor
comp clutch draws 2.5 amps and engages when manually activated.		 View
1995 Mercedes-Benz S320 3.2L Reverse and low
TRANS IS 722.371 Vehicle came into shop for a complaint of slipping in reverse gear, once vehicle had been driven for 20-30 minutes. We removed the transmission and torque converter and had both rebuilt. Upon dissasembly we found the B3 frictions to have wo...		 View
1997 Mercedes-Benz E320 3.2L Sun roof motor
Sunroof had broken lifting mechanism and kinked sunroof cables. All replaced. Roof operates perfectly - EXCEPT - in "pop-up" motor does not stop. Runs until cables hit limit and make snap noise. Tried motor from wrecking yard? Cannot see anything wrong with ei...		 View
1998 Mercury Sable 3.0L Excessive Emissions
Hello to all again, need some help on this emission failure at 25 mph. The emission readings that are given were the test results from the I/M inspection(idle specs are the 15 mph results and cruise specs are the 25 mph results). After running the numbers on t...		 View
2002 Mitsubishi Lancer 2.0L door locks/interior light
The power door locks will not work except with the key on, all doors lock and unlock fine as long as key is on, but when key is off they won't lock or unlock from any door switches or the key switch in the lock cylinder. This supposedly happened after stereo i...		 View
1996 Nissan Maxima 3.0L Excessive Emissions, No Start, Poor Idle Quality, Misfire
PLEASE HELP, I am stuck in the worst way. dont usually ask for help but i dont know whare else to go with this one. This nissan maxima came in about 2 weeks ago with an extended start. it would crank crank hold the gas to the floor & it would start. As if it w...		 View
2005 Nissan Maxima 3.5L No Start, Poor Idle Quality, Misfire
PLEASE HELP, I am stuck in the worst way. dont usually ask for help but i dont know whare else to go with this one. This nissan maxima came in about 2 weeks ago with an extended start. it would crank crank hold the gas to the floor & it would start. As if it w...		 View
2001 Oldsmobile Aurora 3.5L Misfire, MIL Lamp on
So this is the worst kind of problem you can have...one on your own car... I'm in the process of buying this Aurora from my mother in law, after telling my wife for the last year that we didn't want to touch it cause these things are problem pits! It set the m... Trouble codes: PO131 (O2 - 1 low), PO137 (O2 - 2 low), PO300 (Randommultiple misfire).		 View
1998 Plymouth Grand Voyager 3.3L gauge
gas guage works intermittent,driving along goes to empty and low gas light comes on.then goes back to correct reading at various times.fuel meter has been replaced and ground checked		 View
2000 Saab 9-5 2.3L locks, antitheft
Hello SAAB guys, got this 2000 9-5 that came in for a bad oil leak, found oil pressure switch separated and leaking badly. Ordered switch from dealer and in the meanwhile, waiting for the next day delivery, disconnected battery negative terminal, removed start...		 View
2002 Subaru Impreza 2.0L icing on low side line and evap
We replaced the expansion valve due to having vacuum on the low side. After repair the low side line from compressor to the evap is icing up, as well as the core itself. Pressures after repair are 25 and 135 high side. Compressor runs for a bit then stops		 View
1999 Toyota Avalon 3.0L srs
Toyota Techs... This car keeps coming back with an airbag code (44) (pass side open squib). A freind of mine at the local toy dealer says its usally a bad connection under the passenger seat. I have cleaned, checked, tighened, bent contacts etc..., & every two...		 View
1999 Toyota Sienna 3.0L Door Lock
LH front door electric door lock actuator will not function, lock or unlock. From master switch all other door locks function correctly. Key from out side will unlock all doors when you turn the key the second time within 3 sec. and lock them also. When you ha...		 View
1999 Toyota Avalon 3.0L MIL Lamp on
i have a code 171 both af sensors.stay at .630 when i disconnect both sensors voltage wiii not change .with sensors connected & running still no change.i have 12v at blue wire.on both sensors also ground at both.with sensors disconnect should should i still se... Trouble codes: 171 (lean exh. bank 1).		 View
2000 Toyota 4Runner 2.7L Misfire, MIL Lamp on
Car came to me with the check engine light and it had a misfire in cyl # 3. Found #3 injector was not firing. I replace the injector but now the engine runs rough at idle and at times the miss comes back. The code also returns. Hc, co, and o2 are neer zero at ... Trouble codes: P0300 (random misfire), P0303 (cyl. 3 misfire).		 View
2001 Toyota Sienna 3.0L Poor Idle Quality, Cuts out, Stall
This is the second time we have seen this problem on this vehicle. Six months ago it came in for stalling unless you kept your foot on the gas. When it is running under load, there does not seem to be any misfires. There were no codes in the computer and prope...		 View
2002 Toyota Highlander 3.0L VSC Light
Help Toyota Techs, we put a timing belt on a 2002 highlander. Now the VSC light illuminates as soon as you move. It also has a code C1336 zero point calibration of deceleration sensor undone. I would greatly appreciate some feedback.		 View
1994 Volkswagen CAMPER VAN 2466CC Aux. Battery
I am having trouble finding the auxillary Battery. The information says under the drivers seat, but it definately isn't there and we have looked through most of the van. Any one have any suggestions. Thanks		 View
1995 Volkswagen Cabrio 2.0L engine
Odd thing is, tach starts to fluxuate a little, then stalls for 30 to 45 seconds. Pull any plug wire off and starts up on 3 cylinders, replace and stalls immediately. Pre obdII, and no check engine light at all. Super low miles! Any ideas? Next trick was to go...		 View
1999 Volkswagen Passat 1.8L MIL Lamp on
This one is driving me crazy. came in with these two codes i have tested the cam and crank sensor with vantage scoped both. I have removed ecu and ohm cheaked wires form the sensors to the ecu all have no resistance. I have cheaked the basics/ timing the timin... Trouble codes: p1337 (bank 1 cam position sensor short to ground), p0322 (crank sensor no signal).		 View
2002 Volkswagen Jetta 1.8L seals
i have replaced cam and crank seals and timing belt, twice and valve cover gasket set. it keeps leaking oil out of the front? i cannot see exactly the spot, but the leak got worse when i changed seals. also i tried a different brand of seals the second time. t...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Acura 3.2TL 3.2L No Start
I thank you all that reply with good information. The problem was the fuel pump relay, and it was hide up under left side of dash.		 16
1994 Audi 100 2.8L air bag
Hello; Thanks to all that replied. The problem was dirty connectors. Code 00588 is defined as ignitor divers side high or low resistance. I started by checking resistance @ clock spring. With shorting connectors I had to islolate terminals in connectors to che...		 7
1999 Audi A6 2.8L coolant
the vehicle ended up having a head or head gasket issue. didnt show up with a co tester. borrowed a coolant flow tool from a friend. when vehicle got hot you could see the coolant coming out of the motor coming out in pulses. you could see all the air bubb...		 14
2004 Audi TT 3.2L Lighting
Thank you all for the help, i did play with the VAG COM for a while. There was no comunication @ mode 9 Central Electronic module. Tried to change the coding number in mode 17 instrument module to Canada and the only thing change is Mile to Km. So i have to st...		 5
1989 BMW 735iL 3.4L left side parking lights.
Thanks guys. Rafeal and Rick were right on. The yellow relay next to the lighting module was bad. We replaced the headlight module for headlights being out and then when running the car the left rear lights went out. The rear lights were going out because of t...		 3
1994 BMW 318i 1.8L Stall, Misfire
Thank you for all your replies. Most thought bad computer, which is what I was leaning towards as well. One reply suggested looking at harmonic balancer and crank sensor. I hooked up lab scope to crank sensor and the signal looked perfect. My next step was to ...		 6
1995 BMW 318i 1.8L coolant flow/water pump
The fix for this vehicle proved to be multi faceted, first reman hesd had no less than 4 leaking welds. But to really mess me up after replacing head again...temp gauge still spiking.Turned out that despite all my tests that sending unit for gauge was bad...VE...		 22
1998 BMW 740i 4.4L Power steering
Customer approved new reservoir, pump and thorough flush of system. Flushed gearbox clean, did not need to be replaced. Turns out pump was the major culprit on this one. Original Pressure hose that blew was indeed defective, parts supplier said this has been a...		 13
2002 BMW 745Li 4.4L Surge, dyno
sorry for the delay, customer said would return but has not as of yet. will post update, thank too all that answered request.		 4
1991 Buick Regal 3.8L Poor Idle Quality, Hesitation, Stall
The problem was in the computer connector, it was loose I tigh the connector and cleaned it. Thanks for your help everybody.		 14
1992 Cadillac DeVille 4.9L power falls off
HI Guys, This one is on the road and doing good. I checked the cat and it was fine, so I hooked up a fuel gauge long enough to extend past the rear of the hood and lay over the driver's outside mirror and drove the thing. The pressure at cruise was about...		 13
1997 Cadillac Eldorado 4.6L No Start
Thanks to the few people who responded. After much digging with the help of the alldata library, we found that the 55 volts at the climate control head was normal. This is a high voltage climate control circuit which originated from the cluster. With this clea...		 3
1997 Cadillac DeVille 4.6L MIL Lamp on
Thanks to all who have replied to my nightmare. Unfortunately customer has no more money for repairs. Poor individual bought a basket case vehicle that has been worked on by an individual who has no business working on or attempting repairs on anything, even a... Trouble codes: P1139 (ho2s insufficient switching bank 1 sensor 2 pre-converter), P1140 (ho2s transition time ratio bank 1 sensor 2 pre-converter), P1571 (traction control system pulse width modulated circuit no frequency), P1632 (theft deterrent system fuel disabled).		 7
2002 Cadillac Seville 4.6L abs tcs
Thanks so much guys the IGNITION SWITCH fixed it ,just goes to show check basics ,I should have checked positive while car was running ,we checked with connector at module disconnected .thanks again IATN ROCKS !!! Colin 		3
1995 Chevrolet Pickup 5.0L clutch
THANKS FOR THE MANY RESPONSES. FOR A TIM [...] I THOUGHT I WAS THE ONLY TO HAVE SUCH LUCK PUTTING A CLUTCH IN AND NOT GETTING THE NEW CLUTCH TO WORK. I HAVE HAD OTHER CLUTCHES CAUSE BLEEING PROBLEMS THIS JUST WOULD NOT WORK. BUT THIS ONE JUST WOULD NOT WORK AFTER...		 32
1997 Chevrolet Pickup 5.7L MIL Lamp on
i checked the maf meter.i found the screen in front of the sensors had come loose and turned 90 degrees so that the air flowed around the screen,not through it.i put the screen back the way it should be .now the maf grams per second went from 8.5 down to 7.5.t... Trouble codes: 172 (too richbank 1), 175 (too richbank 2).		 11
1999 Chevrolet Pickup 5.7L fuel
after a trip to a buddy at dealership with tech 2 scan tool,we verified passlock module to be bad ,i replaced it relearn worked fine and everyones happy.thanks for yalls help		 8
2000 Chevrolet Silverado 5.3L Poor Idle Quality, Misfire
Thanks for all the help. The fix was a programming update. Had the programming done and let the customer drive the truck for a couple of weeks with no problem. the update was new calibration address hesitation, sag or stumble during light to moderate accelera...		 19
2002 Chevrolet Impala 3.4L carpeting
thank you to all that sent me info. this car had several problems. the drain for the a/c was clogged. and also when the wind shield was replaced they did not seal the windshiled corrctly and it was allowing water to leak in . but again thank every one for thei...		 12
2004 Chevrolet Venture 3.4L water in floor
we pulled the carpet up and drove it for several days and never could get it to give us any kind of water problem ? this one is really strange- well after several days and a 1/2 tank of customers fuel we put him in it for a few days and he did not have any pro...		 17
2005 Chevrolet Aveo 1.6L Poor Idle Quality, Stall
Finally found the trouble. The yellow wire to the canister purge solenoid had broken, allowing the valve to stay open thus creating a vacuum leak, and creating the idle problem. Thanks to all who replied, especialy with the idle relearn idea, as I believe this...		 8
2005 Dodge Pickup 5.9L Hesitation, MIL Lamp on
thanks for the quick suggestions.found hairline crack on passenger side intercooler tank,when trying to build boost tank would actually open and sometimes leak by. Trouble codes: p0299 (boost low range), p0107 (map sensor circuit), p0643 (sensor referance voltage low).		 4
2004 Ford Crown Victoria 4.6L battery light on
There was a break in green/orange wire. repaired all was well.		 9
1984 Honda Accord 1.8L Unknown
Thanks to all who gave info on this problem. I had allready checked most of the items that were recommended, and found the end problem to be a defective distributor cap. Upon very close inspection it was cracked between 3 different poles and causing wierd sp...		 14
2004 Honda CR-V 2.4L MIL Lamp on
Firstly I would like to apologize for posting the fix in the update section. The IMRC & Solenoid Took Of the problem. Once again thanks. Mike Trouble codes: P1077 (IMRC-Intake Manifold Runner Control System Malfunction).		 5
1999 Jaguar XJ8 4.0L MIL Lamp on
Hello fellow techs. I want to first thank those that responded to my help request, and offered assistance. I forgot to mention that I did check the oil level, as this is one of the first steps I take when I pop the hood to inspect any engine. Customer was... Trouble codes: P1384 (VVt Solenoid Malfunction Bank A), P1396 (VVt Solenoid Malfunction Bank B).		 4
1999 Jeep Grand Cherokee 4.7L Valvetrain
It look like I just became the owner of a 99 Grand Cherokee with a bad engine! I did not remove the heads to look any further, but I did find very little coolant in engine, and the I found out it had been going through a lot of coolant. I guess the demand ex...		 4
1997 Mercedes-Benz S420 4.2L MIL Lamp on, NO THROTTLE REPONSE
thanks for all the replies. i ended up replacing the dm solved the problem. no codes present i now have commucation and the most important thing is NO PROBLEMS thanks again Trouble codes: P1580 (eaccisc actuator).		 5
2000 Mercedes-Benz ML320 3.2L Starting
I am happy to report that this vehicle has been successfully repaired. Thanks to those that took the time to respond to my help request. As it turns out the vehicle had two issues. The original transponder was defective, and did not sent the security info t...		 3
2000 Mercedes-Benz CLK430 4.3L trunk release
thank to everyone who replied, odd thing, the srs module fixed this complaint, after coding no lights returned, thanks again for the replies		 6
1993 Mercury Cougar 3.8L Poor Fuel Economy
Ok, sorry this took so long. After checking everything I could think of, I asked the owner about the maf sensor, he had replaced. He first told me it was new, but he then replied, no he got it at a savage yard. ( GREAT ) So I recommended he buy a new one this ...		 5
1996 Mercury Cougar 3.8L brake pull
Today we placed the vechicle on alignment rack. Observed suspension while at curb height, not while the wheels were hanging. Drove the vehicle back and foward while observing suspension. Strut rod bushings were loose. Also the lower control arm bushing appe...		 16
1992 Pontiac Bonneville 3.8L no spark
Hello and thank you for the great replies. As most suggested the new module I had just installed was DEFECTIVE ... aarrgh! ... I kind of figured this would be the case since it went from no spark to 2 cylinders spark after replacing it the first time. Sure eno...		 11
2002 Pontiac Bonneville 3.8L Stall
Hello I have fixed this vehicle. I replaced the battery which was original. It hasn't had a problem since. Thanks for all of the great information that all of you had. Jeff 		20
2000 Saturn LS2 3.0L service engine soon
Thanks to everyone who sent help on this problem, turns out the Massair sensor was the problem. The other repairs made during the trouble shooting were icing on the cake. The car runs great and shows 27mpg at 80mph with the A/C on, not bad! Thanks to all Gary Trouble codes: P0171 (lean bank one), P0174 (lean bank two).		 7
2001 Saturn SL 1.9L engine
intake gasket vacuum leak large enough to drop vacuum, fooling the ecm into thinking engine was under load, and the fuel trim correction was for a loaded condition that didn't exist. all replies suggested probs w the ect which i had experienced myself and app...		 5
1997 Toyota 4Runner 2.7L Misfire
Hello, Well, no real actual fix as the problem is not happening at this time. Most replies were for basic items already covered during the initial diagnosis. There has been a minor loss of coolant and a small seepage at the heater control valve. I installed a... Trouble codes: P0300 (missmissfirefire), P0303 (3 cyl).		 6
2000 Toyota Tundra 4.7L Cuts out, Misfire, will not set a P0308
I rechecked the cam timing for the third time and found it to be off 2 teeth on the drivers side head, the same side as the cam position sensor. I don't know what this has to do with a #8 cylinder misfire but miss is gone at this point. Thanks to Kent, Jesse ...		 4
2001 Volkswagen Passat 2.8L brakes locking up right front
We did try a flex hose before we put the post up and was no luck. We did pull the vacuum line and checked for rust like sum of you suggest. Since we isolated it from the abs unit to right front caliper. We are going to send her to the dealer since you have to ...		 9
2001 Volkswagen Cabrio 2.0L No Start
A new PCM at the dealer was the fix for this. We can't program a new PCM so we sent owner to dealer. General concensus is that an OE replacement ignition coil is important, aftermarket coils take out new PCM's. Some suggested crank sensor for a try before a... Trouble codes: P0725 (Engine Speed Input CKT), P1780 (Manufacturer Specific), P1850 (Manufacturer Specific), P1866 (Manufacturer Specific).		 10
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