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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 3, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1995 Buick Regal Gran Sport 3.8L Upper Intake VIN: 2G4WF52L4S
O.k. folks here is a good one to for you to tell your grand kids about. A friend of mine had a timing chain installed by Firestone at 70,000 miles (?). Ever since then they said the car wasn't running right. It had a problem with it leaking anti-freeze at a id...
1990 Chevrolet Cavalier 2.2L engine VIN: 1G1JC14G4L
My son's car. Using 1 qt. 10W-30 every 300 miles with almost no visible smoke. At worst when driven at speed. On rebuild, I used name brand US parts, had bored .5mm by very competent machine shop and also machined deck of block. Assembled myself--main and rod ...
1997 Chevrolet Tahoe 5.7L Mechanical
I have here a Tahoe with front disc / rear drum, Kelsey Hayes equipped 4 wheel ABS system. It came to me with no brakes at all. By no brakes I mean it had no power assist, pedal going to the floor, leaking wheel cylinders, bad left caliper and hose, pads worn ...
1997 Chevrolet Blazer 4.3L No Communication OBD VIN: 1GNDT13W9V
This vehicle has no communication, generic nor specific. So it will not pass CA emissions test. At first someone jumped power to the computer, so I thought that would be the problem. We found that the ignition switch was the original problem. We installed the ...
2001 Dodge Ram 1500 Laramie 5.9L Noise VIN: 3B7HF13Z11
Pickup is above average. No loose wires/hoses, all connections look good. The owner performs regular maintenance and the truck isn't driven off-road.
1997 Ford Taurus GL 3.0L door locks
vechile came in on hook. customer stated headlamps would not go off and battery was dead. charged battery headlamp on. checked headlamp switch and multi function switch disconnected both and lights remianed on. started vechile and noticed that vechile wasn't c...
1999 Ford Expedition XLT 5.4L transfer case? VIN: 1FMRU186XX
this is an on going problem with a used vehicle sale...this customer has complained of a slipping or sliding of the wheels as well as a locking up of the wheels when turning ,recently we rechecked the front diff,joints etc by complete dissasembly and nothing w...
2000 Ford Explorer XLS 4.0L Poor Idle Quality, MIL Lamp on VIN: 1FMYU24E9X
Hi, this exployer may have two problems or are both related,, on cold start, rpm flares up real nice, slowly comes down, keeps comming down to almost die out but will recover and idle normal, other problem it sets po171 and p0174 too lean codes after a few day...
1994 Nissan Altima SE 2.4L oil press VIN: IN4BU31D4R
Friends. I am one of the bunch who is trying to make a leaving the honest way,very difficalt,any way, Vehicle came in for allinment,i see oil light on,the owner 23 year old that got the car with her eyes closed(actually she didnot have the right help looking f...
1995 Saturn SW2 1.9L No Start, Cuts out, Stall, hard start when cold VIN: 1G8ZK8276S
Customer complains of hard start when cold, but will be fine after warmed up. Kept car over night and it would not start in the morning. So I ran some bacis checks, has good fuel pressure, has spark, has injector pulse. You can get it to start but it takes a l... Trouble codes: 27 (Quick QDM Fault), 48 (Ref Pulse Error), 71 (Coolent Temp High)
1996 Volkswagen Jetta GL 2.0L Excessive Emissions VIN: 3VWRL81H9T
car failed the drive clean test with high nox and high co catalytic was found to be broken inside and partilly melted,oxygen sensor was replaced at the same time nox is high at idle and at 2500 rpms it rises to over 1000ppm,when off idle egr solenoid is tickin...
1996 Volkswagen Jetta GL 2.0L MIL Lamp on, Oil consumption VIN: 3VWRA81H0T
Hi all, I'm hoping someone has some more common failure inputs on this one. I haven't had a chance to really look at it yet since it came in late Saturday afternoon. Customer complaint was oil usage. It will lose approx. 1qt. every 500 mi. Car came in 2.5 qts.... Trouble codes: P1582 (Idle adaptation at limit)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 Buick Riviera 3.8L No Start, Cuts out, Stall, MIL Lamp on VIN: IG4GD221XS
Thanks for the replies. Car went to the dealer. Ran out of time. Most of the replies leaned toward grounds and sensors. Found out from customer turned out to be the computer. They told customer they replaced ecm and fuel system parts. No specifics on the fuel ... Trouble codes: 321 (no crank signal), 341 (cam crank error count too high), 361 (18 x inaccurate).
1985 Chevrolet Caprice Classic 5.0L Hesitation VIN: 1G1BN69HIF
thanks everyone who response. the fix was replaced another carburator. it runs fine . thanks agaign.
1993 Chevrolet K1500 Suburban 5.7L Hesitation VIN: 1GNFK1PJ34
Thanks everybody. The problem did turn out to be the EGR valve. Dan [...] told me about a quick test. He said to apply vacum to valve and if it opened it was bad. I did and it opened. Got a new valve and it would not open. A lot of you said it works off of exh...
2000 Chevrolet Silverado 1500 4.8L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on, LONG CRANK THENSTART VIN: 1GCEK14V3Y
want to thank every one for there input it was the fuel presure regulator really want to thank evryone again Trouble codes: P0300.
2001 Chevrolet Blazer LS 4.3L transfercase VIN: 1GNCT18W61
Sent the customer to dealer because we couldn't say for sure if the problem was the encoder motor or the transfer case module.Both are very expensive so we sent the customer to G.M.hoping their scan tool could communicate and confirm our diagnosis.The problem ...
2004 Chevrolet Silverado 2500 LS 6.0L Alignment VIN: 1GCGK23U84
Well it is decided that at this time the only way to properly do a 4 wheel alignment on a quadrasteer vehicle is with the Tech 2. Thanks for all the help! Kevin [...]
1998 Dodge Ram 1500 Laramie 5.2L governor pressue VIN: 3B7HF13Y8W
Thanks for the help and we learned on this truck just how easy it is to check out a no shift.If this kind of trans comes in the easy way to tell if the problem is in the trans or the wiring just put a pressure gauge on the govenor port and start the motor and ...
1999 Ford Windstar SE 3.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FMZA5247X
Found no compression on #2 cylinder, 160-170 all others. Leakdown test found #2 intake valve not sealing at all. Customer declined repair, more than likely the valve seat or guide is the problem. Special thanks to Rick from California for recommending a compre... Trouble codes: P0302 (cylinder 2 misfire), P0303 (cylinder 3 misfire), P0305 (cylinder misfire).
1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1368T
This is a fix for sure. I wish to thank everyone who took the time to help me on this. I also have to thank iatn for the post. The tracker came in on thursday, the last day of inspection and emission, for this.Armed with all the replys,I started out with the b... Trouble codes: P0400.
1996 Mitsubishi Galant S 2.4L MIL Lamp on VIN: 4A3AJ46G8T
i would first like to thank everyone that gave me advice. i beleve the problem is going to be vacuum related. my fuel trims at idle are off. the car has not returned for me to complete my diag.i will close this for now and post my findings at a later time.than... Trouble codes: P0170.
2003 Mitsubishi Montero Sport LS 3.0L rotors VIN: JA4LS21H53
Hello Group,Got lots of info. Thanx Dave,Jason,Ty,Scott,WKastell and some that left no names.Ty got closest to the most logical answer of brake pad material unevenly etching into rotor surface causing differet coefficients accross face of rotor,as run out was ...
2001 Nissan Pathfinder LE 3.5L MIL Lamp on VIN: JN8DR07X81
The general concensus is that oil sludge is a common problem with these, the intake timing sensor are common promblems and lastly the solenoids fail occasionally. The customer did not leave the vehicle as it drives fine only the MIL is on. I thing I will refer... Trouble codes: P1135 (Left Bank Valve timing Control problem).
1997 Plymouth Grand Voyager SE 3.3L Poor Idle Quality, Stall VIN: 2P4GP44R5V
Hi iATN This van is finally fixed. Most of the replies suggested a bad BCM or other module bringing down the Bus data. We 1st tried a new BCM & guess what? Same problem. (Guess it didn't need that)We then went after the PNDL switch because it went away after w... Trouble codes: P1695 (no ccd buss).
1998 Plymouth Breeze 2.4L blower motor resistor VIN: 1P3EJ46COW
thank you for all your help. i did some more testing, and still did not find anything. almost all the responses indicated that the blower motor is the culprit, so i replaced it and gave the car back to the customer. i have not heard from him since, so i'm taki...
1994 Pontiac Bonneville SE 3.8L hvac controller VIN: 1G2HX52L1R
Okay, first off, thanks to all who responded. The blend door motor gear did in fact break and that was what was binding up the door. I did not have to remove the dash and it was fairly accessible by removing the ECM, the passenger side kick panel and the glove...
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