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Prev Professional Automotive Repair Technical Discussions for June 30, 2005
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Open Help Requests for GM
Help Request Answers
1997 Buick Riviera 3.8L MIL Lamp on VIN: 1G4GD2216V
need help cannot get code po341 to go away, have run all pinpoint test for code, pulled down to check for missing magnet, was there but replaced anyway,ignition module has been replaced, continuity short to ground short to power has been checked all good, numb...
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1988 Chevrolet C1500 Cheyenne 5.7L RPM limited VIN: 2GTEC19K6J
I'm new, and this is my demon... After rebuilding the engine in a customer's 88 C-1500 (K code 350), the RPM won't rise above about 3000. Exhaust was disconnected, fuel pressure is 14 psi., timing light installed shows spark when engine shuts down. Vehicle act...
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1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L Surge VIN: 2G1FP22PXP
Thank you for your time. What I really need is the milliseconds of on time for the injectors at hot idle. This one is running 4 milliseconds and is setting with block learn at 108. I have checked scan data again and again and can find no reason for the rich ru...
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1996 Chevrolet Express 2500 5.7L No Start, no injector pulse VIN: 4KLB4B1R0T
this vehicle is actually an isuzu npr with gm power train. there is no injector pulse, it has power to injectors but no ground. there are no codes. i have checked all wiring & grounds that i can find, also have checked & replaced cam & crank sensor & wiring & ...
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1996 Chevrolet Camaro 3.8L compressor not ingauged VIN: 2G1FP22K3T
Compressor clutch does not in gauge. No codes system full. AC switch in dash good, has power to ECM terminal #62 with AC switch on. Relay checks good and power on both pink wires, jump relay and compressor runs. ECM not grounding relay. Installed snap on scann...
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1997 Chevrolet S10 2.2L fuel gauge VIN: 1GCCS1441V
fuel gauge stays at empty,has full tank,disconnect sending unit,stills stays at empty,hooked up scan tool shows 98%.ground purple wire from buffer module to pcm and scan tool info drops to 0%.cut wire to gauge,gauge goes past full,used tester,gauge ok.any body...
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1998 Chevrolet Venture 3.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 16NDX03E8W
The vehicle has an intermittent stalling problem. The scanner shows a misfire on cylinders 1 thru 5. I replaced the coil pack and module, swapped plug wires, and smoke tested the vacuum system for leaks. Revving the engine in park will eventually make it stall... Trouble codes: 171 (lean bank 1 exhaust)
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2000 GMC Savana 3500 6.5L Stall VIN: 1GTHG35F9Y
van stalls at cruise on the hwy. does not happen often enough to pinpoint. always starts back up. have checked all i can. anyone seen this before? Thanks!
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1989 Oldsmobile Cutlass Calais 2.5L Excessive Emissions, Cuts out, Stall VIN: 1G3NL54U7K
Hello Guys I'm new to this sight and Iwould be very happy for the help. the car I'm working on had all the work done to it before i got it. I've checked fuel pressure and vaccuum.all the goundsBlock learn stays at 120 and intergator switches between 110 and 80... Trouble codes: 45 (rich exhaust)
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1999 Oldsmobile Intrigue GX 3.8L Starting VIN: 1G3WH52K7X
Howdy there! Got this Intrigue that wouldnt start this morning, after backing out of garage owner came back out to leave and it made no clicks or any other noises, all instrument lights and head lights bright but no crank. Before the wrecker arrived he tried i...
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2002 Pontiac Grand Prix GT 3.8L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G2WP52K72
Hello Techs, This Grand Prix has a seemingly simple problem. Hesitation , Stall , SES lite and Code 102 (Mass Air Flow). Tap on the MAF and she stalls or hesitates. Replace the Sensor(aftermarket, remann) and Guess What ? Same problem ! Get another one and , y... Trouble codes: P0102
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Roadmaster Limited 5.7L battery light VIN: 1G4BT5374N
Repalced NAPA alt with a Westling reman (known good rebuilder) Charges great, and I am sure there are no other problems with the circuit. Thanks for the replies, I agree with the ones saying get a good alt, the only reason we used NAPA to begin with was it was...
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1989 Cadillac Eldorado 4.5L MIL Lamp on VIN: 1G6EL5788F
The computers and proms we were using were all supplied by the customer. One person suggested we had the wrong year model. That error was on our invoice and the customer assures me he ordered the parts for the correct year model. After extensive testing I stil... Trouble codes: 51 (Prom Error Code).
3
1989 Chevrolet Beretta 2.8L Poor Idle Quality, Stall, Misfire, Poor Fuel Economy VIN: IMCVDE22H9
Thanks to all who responded many of you confirmed my suspicions it is the injectors i would have went with tcc accept that as i said in the original post the tcc was unplugged and it still ran very erratically after it warmed up even without moving just sittin...
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1994 Chevrolet Lumina APV 3.1L Stall VIN: 1GNDU06D3R
Hi Group, Sorry for closing this fix late, as many of you suggested to check the catallic converter, they were right on the money. I have never thought that it get clogged to that extent. I undid the front pipe and the vehicle was running fine, so I replaced t...
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1999 Chevrolet Express 3500 5.7L Hesitation, MIL Lamp on VIN: 1GBJG31RXX
Guys, Thaks for all your help.I repaired the ground at the thermostat housing and replaced both front O2 sensors.Customer drove the truck for two weeks without experiencing the problem.Customer had a fender bender with truck and totaled it. I assume it was fix... Trouble codes: P0131, P0151.
3
2000 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation VIN: 1GBDM19W1Y
Pressure regulator fixed this one! Hard to believe it wasnt leaking all the time! Most replies hit it! thanks for the help to all that replied! Mike
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2001 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, idle drop out VIN: 1GNEC16T91
If I didn't see it and do it myself I wouldn't have believed this fix. 4 of the 5 replies said to either flat out clean the throttle valve/body or check throttle valve and ISC motor and then also clean the throttle body. One replay said to test plastic intake ...
10
2002 Chevrolet Suburban 1500 LS 5.3L a/c drive belt VIN: 1GNEC16ZX2
THANKS TO EVERYONE FOR ALL THE HELP AND ADVICE WITH THIS ONE.THE CUSTOMERS BELT HAD BROKE AGAIN AFTER HE LEFT THE SHOP AND THEN RETURNED AFTER I HAD RECEIVED ALL THE GOOD INFO FROM EVERYONE AND I CHECKED THE CONDITION OF THE A/C COMPRESSOR AND FOUND AT IDLE I ...
16
1999 GMC K1500 Suburban SLE 5.7L Stall, NO CODES VIN: 1GKFK16R4X
THANKS to those that sent their info on this truck. The customer picked truck up and did not want to spend any more money.
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1989 Pontiac Tempest 2.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on
hello the fix for this car was that there was vaccum leak under the intake , repaired leak and all is fine. thanx for all the help Trouble codes: 44 (exhuast lean), 45 (exhaust rich).
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1989 Pontiac Grand Prix SE 2.8L Stall VIN: 1G2WP14WXK
Everyone but me seem to know what the problem was. I OHM checked all injectors when hot. I found #3 cylinder injector with only two OHM's of resistance. Replaced Inj. now running like new. Thanks All!
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