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Prev Professional Automotive Repair Technical Discussions for November 24, 2006
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Open Help Requests for GM
Help Request Answers
2002 Buick Rendezvous CX 3.4L hvac VIN: 3G5DA03E72
This car has very little air flow through the vents in the dash while in the heat position but ok through floor and defrost. While in the cold position, flow is ok through all settings, including dash vents. Our scanner can't communicate with the hvac module, ...
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1990 Chevrolet Camaro Iroc-Z 5.0L Cuts out, Misfire, Stumbles VIN: 1G1FP33F6L
Hi, I am posting this for a friend. This problem child has a big flat spot when you step on the gas. It has a new fuel pump installed. The TPS and MAP have been checked with a lab scope and no drop outs have been found, Fuel pressure was withing specs, also th...
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1997 Chevrolet Express 1500 5.0L radio dsplay VIN: 1GBFG15MXV
After repairs were made . There was no display on the radio. Replaced fuse antena works up and down . relearn procedure was tried . All that happens is the volumn is real loud then fads away . The radio has no lights or display . It seems that the theift lock ...
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1997 Chevrolet Monte Carlo LS 3.1L Misfire VIN: 2G1WW12M3V
I am having trouble with this car. The check engine light is on with a multiple missfire code. As you drive the car the engine light flashes aswell. When you watch the missfire counters cylinder #4 shows a miss. It is not severe enough for you to feel the engi... Trouble codes: P0300
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1998 Chevrolet Monte Carlo Z34 3.8L Engine Fire VIN: 2G1WX12K7W
Customer came in to get his headlight bulb changed. I changed the headlight and the customer went to leave, he started his car with a remote starter. 5 seconds later an explosion was heard and the engine compartment was engulfed in fire. The upper plastic inta...
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2000 Chevrolet Cavalier 2.2L Misfire VIN: 1G1JC124XY
Hi guys, we have a cavilier from hell. this car came in with a skip under load. had a code for #1 cyl. miss fire. driving car looking at misfire data and car skipping shows no misfires. replaced plugs and wires. checked coils--ok grafted module-crank sensor, m...
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1989 GMC S15 Jimmy 4.3L Poor Idle Quality VIN: 1GKCT1826K
ok, this thing has got me over a barrel. it runs rough when cold then smoothes out when fully warm (not when it goes into close loop),around 170f.it will still have a slight hesitation at tip in,but, runs fine after warmed up.i can't see the smoking gun on my ...
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1995 Oldsmobile Aurora 4.0L Engine VIN: 1G3GR62C05
Car initially was running rough, at times would not go over 30 mph. Found fuel pressure to be low. Regulator & fuel pump replaced. No signs of coolant problem at the time. Car came back within a week , died while driving , and was smoking coolant smoke. Found ...
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2000 Oldsmobile Intrigue GLS 3.5L Starting/theft system VIN: 1G3WX52H1Y
Car came in and stopped running when it got here with instrument panel light flashing and theft deterrent system light on. Checked for codes and it had a code of B2960 at this time. I replaced the lock cylinder assembly which was worn out, you could pull the k...
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1996 Pontiac Bonneville SE 3.8L Stall VIN: 2G3WE4748T
this is my car have a problem lately car drives fine drive for an hour shut off then restart and car just dies. its losing spark but has injector pulse. when i changed the maf the ran great for a week then same prblem occurs. only code is crank sensor code. so...
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2004 Pontiac Grand Am GT 3.4L Steering VIN: 1G2NW52E93
Customer came in complaint is loss of power steering..the steering gets stiff at times...i have no expierienced this. Do these cars have the speed sensative steering? or bad preasure hose problems? I checked fluid levels and for leaks and any other abnormaliti...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Century Custom 3.1L tcc VIN: 2G4WS52J32
Thanks to all that replied. The pressure control solenoid seems to be the problem with this car. However the customer declined to repair the car or let us diagnose it any further. So...I guess on this one we will never know for sure, but it looks like most of ...
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1994 Chevrolet K3500 6.5L MIL Lamp on VIN: 1GTHK33F8R
checked with local GM dealer for updated prom - non. Got used ECM from wreckers and so far no codes. ECM No. - [...] Thanks to all who replied! Trouble codes: 36 (injector pulse width - long response time).
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1997 Chevrolet Tahoe LS 5.7L battery VIN: 1GNEK13R5V
OK guys finaly this pain in the neck is done . what i found out was a bad bcm that would just wake up intermitently i actualy caught it in the act while watching the dvom , once i was able to see the spike of roughly 800ma i decided to unplug the bcm and let i...
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2002 Chevrolet Silverado 2500 HD 6.6L No Start, Surge, Stall, MIL Lamp on VIN: 1GCHK29142
Sorry for the late close, but wanted to make sure it was fixed, what i found was the bleeder on top of the filter head was loose and sucking in air when turned off, as far has the code u1800 i think when the engine turns over with out starting it will set this... Trouble codes: U1800.
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1998 GMC K1500 Sierra SL 5.7L Poor Fuel Economy VIN: 2GTEK19R5W
I'd like to thank everyone for some of the great ideals for hard mileage. Believe it or not it boils down to the driver. I talked to his father and he even said that he has 2 speeds, idle and full throttle. When I went for a road test with him, it was a scary ...
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1999 GMC Sierra 1500 SL 5.3L batt light,fuelgauge,gear shift indicator, VIN: 2GTEK19T5X
fuses & grounds were good. found problem to be short to voltage inside transfer case control module sending 5 volt reference signal down the buss to other modules & causing erratic operation of several items.
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