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Professional Automotive Repair Technical Discussions for December 23, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick Electra Park Avenue 3.8L boggs VIN: 1G4CW5134H We have a 1987 Buick Park Ave. 3.8 in, with lots of symptoms: 1 After a cold soak it hesitates, cuts out, Boggs down when taking off. 2 After a cold soak it shifts late. 3 After a cold soak it may stall on the first attempted to start it. 4 When warmed up none... |
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| 1991 Cadillac DeVille 4.9L Surge, popping VIN: 1G6CD538XM upon turning key on or off the isc motor pops in and out aproximately 1/4 inch in turn causing gas peddle to jump up and down othe than this the car will start and run fine. Have done throttle relearn procedure several times making no difference also tried new... Trouble codes: 30 (isc circuit malfunction) |
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| 1995 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WL52M9S THIS 95'S MAP SENSOR VOLTS ARE FIXED AT .04 VOLTS NO MATTER WHAT WAS DONE ON THIS CAR.It is a start/stall with s.e.s. light on and recorded immediately after cleared.All wiring to map and grounds are perfect,jumpered to 12 volts on map sensor line as instructe... |
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| 1997 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, MIL Lamp on VIN: 2GCEK19RZV The customer had done his own tune up on this truck when he did he broke the distributor where the cap screws down. So he removed the distributor and when he tried to put it back in it gave him the 1345 code and ran bad. He brings the truck to us to fix the di... Trouble codes: 1345A (ckp/cmt out of sync.) |
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| 1998 Chevrolet K1500 Cheyenne 5.0L air bag VIN: 1GCEK19M1W Hello to all the great techs of the world.I purchased a 98 k1500 4x4 as a rebuilder,it was involved in a smack on the r front.The drivers side air bag deployed,the pass side was turned off at the time of the accident,so it did not deploy.I was wondering if i c... |
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| 2002 Chevrolet Trailblazer LS 4.2L dual zone climate control VIN: 1GNDT13S32 vehicle came in with complaint of no heat on right hand side of pass. compartment, we checked and found 1 code which was bo424. we went through the diagnostic chart, it said to replace right blend door actuator and we did, but problem still persists. we took a... |
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| 2004 Chevrolet Impala 3.8L MIL Lamp on VIN: 2G1WF55K84 hello, i live near chicago where the temp. has been below freezing for the past 30 days.the car came in with a po171 code . the code only set during the first mile of a cold engine start. the stft goes as high as +20 and the ltft is around +18.if i clear the c... Trouble codes: P0171 |
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| 2005 Chevrolet Silverado 2500 HD 6.6L fuel knock VIN: 1GCHK29235 came in for knock noise and loss of power. found p0308 and intermittant symptom caused by fuel injector #8. reflashed ecm and ipc (required after the ecm update). replaced injector. road test and hear fuel knock at light to med throttle. it is not cylinder spe... Trouble codes: P0308 |
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| 1991 GMC syclone 4.3L ignition VIN: 1GDCT14Z7M missfire question is lower intake gasket has full open spacefor ports 2/4 and 3/5 and small open gap between head and manifold both sets of replacement gaskets have this design i think this is wrong anyone delt with this? |
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| 2002 Oldsmobile Alero GL 3.4L speedo VIN: 1G3NL52E32 this vehicle,after a short drive ,the abs , trac off , service engine soon lights come on . one piece of info we found is that the speedo works in the vehicle but the speed is at o km on the scan tool while moving .there is one ouput & one input speed sensor .... |
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| 2001 Saturn L100 2.2L Horn VIN: 1G8JS52FX1 We have this Saturn that blows the horn when you start the car and the day time running lamps are on. If you put on the parking brake the horn won't blow. Also the horn gives a slight beep when turning the car off. We don't see many saturns, any ideas on this ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Buick Regal LS 3.8L key tumbler VIN: 3G1WS54CGH thank you everyone for your help.i lubricated the cylinder in the steering column and seems to be okay.special thanks to pete from illinois. |
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| 1993 Chevrolet Lumina APV 3.8L Cuts out, Misfire, MIL Lamp on VIN: 1GNDU6L2PT thanks to all that responded. the different reccomendations where plug wires or ignition module. i had all ready replaced the wires so i checked the module and found that it had been replaced by someone else. so i checked the ignition module ground and found i... Trouble codes: 18 (cam/crank error). |
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| 2000 Chevrolet Tracker 2.0L No Start VIN: 2CNBJ13C3Y After checking and rechecking, I finally got it running somewhat. By turning the cam sensor housing about 1/4 turn past bolt hole it ran rough, but it ran. The engine was very noisy,(customers never tell the Paul Harvey side) like valve contact. I told the cus... |
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| 2001 Chevrolet Silverado 2500 HD 6.0L Front end noise VIN: 1C4C645B34 I installed the new steering shaft and the noise was better, but not gone, The main noise was the caliper rattling around, the grease from all the pins was gone and the holes had been worn away, I replaced the caliper bracket and noise was gone |
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| 1993 Geo Prizm LSi 1.6L Knocking VIN: 1Y1SK5362P The customer never returned for further repairs however most of the replies centered on engine noise rather than a spark or pre-ignition knock. With almost 200k on the little engine, that explanation is the most likely. |
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