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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 31, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A4 1.8L Hesitation, Poor Fuel Economy VIN: WAUBB28D1X
hello Audi techs,seems like every car I have a problem with is with friends or family cars,is it me or does this happen to everyone?...just asking...anyways... car came in with cyl #2 misfire about 1 month ago,so going by common problems i replaced ignition mo... Trouble codes: P1127
1999 Audi A4 1.8L MIL Lamp on VIN: WAUCB28D1X
hello all, this is the second audi in a week that given me a headache. i don't do much diag on euro vehicle and the scanner kinda confusing it's all letter and numbers.ok i got the code above and i got this number from the scanner.G31- fluctuating .10 to .88 v... Trouble codes: 17545 (long termfuel trim adaptivebank 1system toorich)
1989 Cadillac Eldorado 4.5L Poor Fuel Economy VIN: 1G6EL1159K
Car came in sucking fuel. Checked computer, no RPM and CTS was -40, no MAP, BAP or TPS change at all and Battry volts are 3.44. Tested CTS. Sensor was fine so I shorted signal to ecm. Still -40. Probed CTS readings at ECM. Good readings so I replaced computer ...
2002 Cadillac Escalade 6.0L Heating temperature VIN: 3GYEK63N02
Thanks in advance for any help on this one. The heater temperature door actuator is not receiving the variable voltage signal from the control unit. We have check all signals from control unit to actuater. We've check resistance of return wire from actuator to...
1991 Chevrolet C1500 Cheyenne 5.7L Cab to frame bracket VIN: 1GCDC14KOM
This is my personal truck I drive everyday. I noticed a thumping sound when I drive over rough roads and I checked the underside and noticed that both rear cab brackets were rusted out. The rubber bushings will move up and down about 2 inches when I lift up on...
1994 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on, Runs Real Lean VIN: 1GCCS14Z5R
First of all thanks in advance for any and all help. This vehicle has me stumped because it will be running fine and then all of sudden start to loose some power. The idle will start to idle rough and then start to surge badly from 300 to 1200 rpm. I noticed t...
1998 Chevrolet Cavalier LS 2.4L pedel VIN: 1G1JF52T1W
Good evening to all I have this 1998 chevy cavalier that has a VERY hard brake pedel.I have checked all base brake system parts all ok.I had to replace rear drums due to severe rust also cleaned and adjusted rear shoes.Found right front caliper hose twisted fi...
1998 Dodge Ram 1500 Laramie 5.9L Poor Idle Quality, Stall VIN: 3B7HF13Z7W
Hello, I am looking at a friend's Ram 1500 4WD with 5.9. Butcher warning -- in the past he had someone replace the cat converter with straight pipe during an exaust replacement job. The vehicle *looks* like it has 300k miles on it and has been sitting in a ju...
1996 Ford Contour GL 2.0L trans pump VIN: 1FALP6531T
Hi, this car has no drive in any range. Engine off and engine running oil level is the same. Installed pressure gauge and it reads 0. The needle doesn't move. Pulled the pump and it looks perfect. Turned the oil pump drive shaft and it feels solid in the conve...
1999 Ford Mustang SVT Cobra 4.6L Oil Cooler VIN: IFAFP46V5X
I have 4.6 COBRA with a leaking oil cooler. It is a OEM factory coolant/oil type cooler that mounts on the side of the block and the oil filter screws onto it and the lower radiator hose mounts to it. It has what appears to be a very small weep hole drilled in...
1995 GMC Jimmy SL 4.3L Hesitation, Cuts out, Stall VIN: 1GKDT13W1S
Under light acceleration truck has no problems. After truck warms up when accelerator is snapped in or out of gear engine misses and stalls out. Knock sensor appears to be picking up a spark knock and retards the timing excessivly to the point it misses real b...
2003 Infiniti M45 4.5L fuel gauge VIN: JNKAY41E73
Customer ran out of gas a couple of times as the fuel gauge registers intermitently half tank of gas while fuel tank level is on empty. Tested resistance between terminals at fuel level sensor unit with float position 1/2 full and full , readings were out of r...
2002 Jaguar S-Type 3.0L Drive-axles
car runs fine for about 5-7 mins and then would start shaking at idle.would display on the message centre as trans failure.would appreciate any pointers or help. thx
2005 Mercedes-Benz C55 AMG 5.5L PS Pump VIN: WDBRF76J55
The customer has owned this car for app one year and has had issues with the dealer about the following problem since day one. On cold start up the PS pump whines very loudly and the reservior vibrates enough to give my hand a nice massage. The dealer supposed...
1999 Mercury Grand Marquis GS 4.6L alt
Hello Techs, This is my brothers car, isn't it always family or friends cars that make you look like your new at this stuff? The charge gauge has read low since the car was new (1999) but he has never had a no start until the last 6 months. The first time t...
1997 Mitsubishi Eclipse 2.0L No Start
Thanks in advance for any help on this one. This car will not run. Cannot communicate with OBDII connector. I have no spark, no injector signal, and no ASD relay operation. I have checked the crank sensor, it checked ok but replaced it any way. This sensor is ...
2000 Mitsubishi Montero Sport Limited 3.5L Poor Idle Quality, MIL Lamp on VIN: JA4MN09S00
I am looking for some help fellow mits techs. I have this montero sport with a 3.5l cust has replaced using mits new parts the maf sen coolant temp sen. front o2s and thermostat. but vehicle still runs poor. here is what i have found. my o2 are stuck a 39mv al... Trouble codes: P0125
2000 Nissan Pathfinder LE 3.3L alighnment VIN: JN8AR07Y9Y
hello fellow techs looking for a little help on this nissan . cust went off the road & bent the r/f strut . we installed 2 new front struts & mounts .also performed wheel alighnment. car came back 3 days later pulling very bad to the right . criss crossed both...
1995 Pontiac Sunfire SE 2.2L MIL Lamp on VIN: 1G2JB5247S
Vehcile has had a recuring egr code. 32 customer complained of surge, and miss that we could not duplicate. After multiple tests, egr valve, and sol where replaced. Egr flow was tested, no aparent blockage. On third attempt found that when scanner was attach... Trouble codes: 32 (egr)
2002 Pontiac Grand Am GT 3.4L Hesitation, Misfire VIN: 1G2NV52E22
Engine runs with miss under heavy load. Will not rev beyond approx. 4000rpm. Feels low on power at all times except initial throttle application. Will not shift/upshift properly when on throttle hard. Have replaced plugs, wires and module, shows some improveme...
1999 Volkswagen Passat GLS 1.8L power windows will not operate VIN: WVWAA63BXX
car towed in will not start ,checked starting system able to start car if you shift from park to reverse and back into park or even neutral if holding key hard to start. customer said power windows and all systems were working fine before problen occured.power...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A4 1.8L Poor Idle Quality, Stall VIN: WAUCB28D6X
hello all techs, thank you all. 9 replies,unfortunately i didn't fix this one. all said it needed adaptation reset if the battery died and if the throttle been replaced.i replaced the battery and throttle body and it idle very good but it hesitate when rev lik... Trouble codes: 17953 (throttle valve regulation malfunction), 17967 (Idle Speed Control throttle position Adaptation Malfunction), 18010 (volt supply terminal 30 too low).
1996 BMW 740iL 4.4L engine VIN: WBAGJ8326T
First I want to say that to anyone that has not done this job before it is extremely time consuming and having the right tools is critical. I think the worst part of this job was installing the engine and trans after replacing the heads. I want to thank everyo...
2000 Buick Park Avenue Ultra 3.8L oil pressure VIN: 1G4CU5414Y
Thanks to all that replied, and so quikly too. What I forgot to mention in my original posting is that the lifters I replaced in the vehicle were aftermarket lifters. This is what ended up being the problem. There were some minor differences in the after marke...
1998 Cadillac Seville SLS 4.6L oil pan VIN: 1G6KS54YXW
sorry it took me so long too get back too every one thanks a bunch too everyone who responded too my request as many of u said there is no easy way to do this job we lowered the motor and trans out through the bottom and then seperated it so we could put it on...
2003 Chevrolet Silverado 2500 HD 6.6L heated seats VIN: 1GCHK231X3
Good news everybody as the problem has been solved and we can congratulate ourselves in having such a tremendous tool in this network. I am going to attempt to show how much I appreciate your help by providing you with the account of this experience and in the...
2005 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E95
thanks to everyone who replied.the fix was the camshaft.after getting the tech line to allow me to remove camshaft found the exhaust lobe on that cylinder wiped out. the first roller cam i have ever seen wear out.well the new cam fixed my problem .again i than... Trouble codes: P0304.
1999 Dodge Caravan 3.0L Stall VIN: 2B4FP2532X
hi everyone, a very big thank you to those of you who responded to my help request. Sorry this is late in coming. Customer had problems with vehicle the day I requested this help. Since then, weather has been warming up and problem has gone away. Pretty weird ...
1999 Ford F-150 Lariat 4.6L Cooling Systems VIN: 2FTRX18W1X
well it was just a simple water plug that cured the leak,sorry to waste everyones time,i over thought this one to death.i am grateful for all the resonses you folks sent and once agian sorry for taking up valuble time and energy.
2000 Ford Explorer XLS 4.0L Steering VIN: 1FMZU731YZ
Well that was a lot of responses. Thanks to all of you for taking the time to respond. I did turn the steering back and forth on stands, engine running but not long enough. My manager elected to drive the vehicle to see if this alone would do the trick. It did...
2002 Ford Taurus LX 3.0L power assist VIN: 1FAFP55212
well i have to call this one fixed, most said check vac hoses/ports,booster /booster check valve. this is what i did i replaced the booster check valve and the external vacume manifold we drove the car gave it back to customer and she has had it for some time ...
2002 Ford Escape XLS 3.0L No Start VIN: 1FMY02122K
Thanks everyone for the help. I replaced the iac valve and so far have not heard anything back from the customer so i take this as a good sign for now. again thanks for the help
2000 GMC Safari SL 4.3L Hesitation, Misfire VIN: 1GKEL19W7Y
I can't believe it, but it was cap and rotor. We had just put an Echlin one on in Dec. of 06. didn't think it would be bad so soon. Thanks Trouble codes: P0300.
1995 Honda Accord EX 2.2L Hesitation VIN: 1HGCD565XS
Thank you to all who replied,it turned out to be the oxygen sensor after many frustrating hours of searching all of a sudden i started getting O2 codes 41 and 43,heater circuit tested ok,but code was active??? O2 voltage was high and not switching very fast.De...
2001 Honda Civic LX 1.7L Compressor VIN: 1HGES15521
1995 Hyundai Elantra 1.6L No Start VIN: KMNJF23R8S
thanks to everyone that replied. i have finally fixed the vehicle. this vehicle had a new transmission also put in about 2 months ago. found only one ground wire that was attached. i pulled out alternator and had it checked at the local parts store and it was ...
2002 Mazda Protege DX 2.0L Electronic VIN: JM1B2221Y0
Evening Techs It was pretty simple, I pulled the pan down and found that the rebuilder never hooked up the two ground wires to the bolt. Bolted the ground wires up and cleared codes. Took car for a long test drive and everyhing is fine. Again thanks for all ...
2002 Nissan Sentra XE 1.8L PCM wiring ? VIN: 3NICB51D22
Thanks for all your replies the customer needed the car and will get back to us soon, I will be sure to post the fix as soon as possible, Bob.
1998 Subaru Legacy Outback 2.5L Mechanical VIN: 4S3BG6856W
Hello all, Thanks to everyone who responded. I did not repair this vehicle. After reviewing several replies I was convinced this repair was going to be too expensive. I now own the car and will probably install a used engine. The response I found to be the...
1990 Toyota Camry 2.0L cranking vacuum VIN: JT25V24E9L
Well for personal reasons I could not get a fix to you all till now...After removing the timing belt cover and putting the engine at tdc...It became apparent that not only was the cam timing off a tooth but that the timing belt tensioner was weak which would e...
1992 Toyota Camry 2.2L Idle VIN: JT2SK12E7P
Customer returned today, I installed a CTS for him last week and test drove, seemed good to me so I let him have it and told him to come back in a few days. He way very happy to report that car is running great. Customer says 'never ran this good in years'. Lo...
1999 Toyota RAV4 2.0L Stall, Misfire, MIL Lamp on VIN: JT3HP10V6X
Well this vehicle basically drove a lot of professionals up the wall and near verge of tears. I appreciate the responses from Lansen [...]. Every test we did came up showing OK. The problem tha... Trouble codes: P1300 (Ignitor circuit malfuction coil 1).
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