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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 28, 2009
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1988 Buick Century Limited 3.8L rear lights, driveability VIN: 1G4AL5137J
Hello I have this Buick and It is doing weird stuff. Car started running rough and died on the customer. towed in would run but really rough. Taillights are really dim and when you stepped on the brake pedal the rear lights would go out and the front marker la...
1995 Buick Riviera 3.8L No Start VIN: 1G4GD2214S
Hello Fellow Techs, I have a problem with this 95 riviera. 3.8 turbo. Customer called and said MIL lamp was on. Car died in hisdrive and hasn't started since. Towed to shop. Won't start and I have no MIL lamp on dash at all. It won't communicate with my scann...
1997 Cadillac DeVille 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6KD54Y0V
This car was repaired earlier in Feb. because of a misfire & CEL on. Trouble codes were for cyl.misfire, O2 sensor and /maf sensor. Replaced 2/5 coil,B2S1 O2 sensor and MAF sensor. Customer drove to Okla.City,Ok.On return trip he started the car and heard a lo... Trouble codes: P0101
1992 Chevrolet Cavalier RS 2.2L Engine VIN: 1G1JC5446N
Engine cranks. Checked for spark, good spark all 4 plugs. Checked for signal at injectors with noid light, have signal at each injector. Sprayed starting fluid into intake, did not start but backfired thru throttle body. When cranking engine, engine spins and ...
1997 Chevrolet S10 2.2L no acceleration VIN: 1GCCS1447V
Hi all,new to IATN.The vehicle in question came in after being at numerous shops and even the local chevy dealership.Vehicle will run and idle but will not accelerate.Tested for 5v reference at tps and had only 0.15 volts.Tested all 5v references at the pcm an...
2000 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W6Y
Vehicle Came in With A No Start Checked Spark Had Spark. Checked Fuel Pressure, Fuel Pressure To Factory Spec. The Vehicle Will Crank but wont start. Checked With Snap on Scan Tool For Codes Found None. Went into the data list checked all readings Have No Inje...
2006 GMC Sierra 2500 HD SLT 6.0L Excessive oil consumption VIN: 1GTHK29U36
This truck has lost oil psi cold only and psi will fall if throttled on but seems fine when engine is warm.It also is using about 1qt. every 1000 miles it all started at same time
2001 Oldsmobile Aurora 3.5L MIL Lamp on, oil pressure light VIN: 1G3GR64H71
Vehichle was towed in as a no-start, battery completely drained. Recharged battery and attempted to start vehicle, no-start. Noticed fuel gauge was reading empty, put gas in tank, vehicle started. (Amazing how that works!) Low oil pressure light is on, check e... Trouble codes: P0463
1989 Pontiac Grand Prix 3.1L Hesitation VIN: 1G25768787
Vin wrong I dont have it at this time. Car came in with hesitation at 1/4 thru full throttle falls flat on its face. Ran fuel pressure test 38 psi and scann codes. Tps locked at 1.54v no sweep disconnected battery Tps voltage good and sweep test good but hesit...
2001 Pontiac Aztek 3.4L Poor Idle Quality, Surge VIN: 3G7DA03EX1
finished with the head gaskets and the car ran fine customer picked it up and said by the time she got home the car was surging when coming to a stop. brought back in and the check engine light was on the code was P0341 cam sensor out of range. scoped the cam ... Trouble codes: P0341, P1336 (crank relearn)

Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet Impala LS 3.8L lights VIN: 2G1WH55K71
allright this impala is fixed...turns out is was the bcm...replaced bcm and programmed it according to mitchell instructions with tech2 scanner and all is well...thanx to all who took the time to respond it was greatly apprecited..Louis
2005 Chevrolet Trailblazer EXT LS 4.2L MIL Lamp on VIN: 1GNDS13S35
I thank all of you that responded to my request for imformation.It really helped my customer out a lot,but unfortunately she decided to trade the vehicle in for a new car.What is disturbing is that she also gave me a very bad time when i needed to charge for t...
2006 Chevrolet Malibu Maxx LTZ 3.5L No Start VIN: 1G1ZU63846
Finally got this car fixed! The final fix was to replace the BCM(apparantly something wrong inside BCM not allowing a valid theft to learn to the PCM after replacement of Theft Deterrant Module). After BCM was replaced and configured to the options in this c... Trouble codes: B0331 (Security system controller in learn mode), B0355 (No transponder modulation or no transponder).
2000 Pontiac Sunfire SE 2.2L Stall VIN: 1G2B1246Y7
She drove the car to work and it wouldn't start at this time. Had it towed in to me. Found both battery cables loose. Cleaned and tightened both cables, charged the battery and - problem fixed. I waited several days before posting a repair to make sure she d...
2004 Saturn Ion-2 2.2L power steering VIN: 1G8AJ52F74
Thanks to all that replied, although fix not completed. All fuses were good. Turning off key and restarting re-set p/s every time. Would always work until turning wheel 2nd direction. Tech borrowed neighbor shops modis and told me the only codes that show ...
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