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Prev Professional Automotive Repair Technical Discussions for December 29, 2007
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Cavalier LS 2.2L Misfire VIN: 1G1JF5242V
ok guys this car runs really rough (like its just running on 2 cylinders) and misfires on every cylinder. I will not accerelate at all. It smells rich and acts like it flooding. It also will not start with the air cleaner off and it seems like all 2.2 I've wor... Trouble codes: P0300
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2001 Chevrolet Express 3500 5.7L No Start, Hesitation, Cuts out, Misfire VIN: 1GBJG31R21
hard time cold starting or at all, when running c/e light flashed in mid throttle snap test. try to figure why my high range power is cut out. slow consistant t/p is the only way to get themotor to rev.high and not missfire. no history codes and the light does... Trouble codes: P0300, P1354 (crank/cam corr.)
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2001 Chevrolet Silverado 1500 4.3L Passlock System VIN: 1GCEC14W71
To all, This was originally a "Crank,but no Start" problem. As these are known for pump and connector problems first thing I checked was fuel pressure. Right on the money @62 pounds. Checked spark ,connectors ,dist. for moisture etc. All looked good.Cranked i...
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2002 Chevrolet Impala 3.4L starter VIN: 2G1WF52E22
hello gm tech's i have this 02 impala with cust complaint of intermit no crank / 10 times in 45 days// he came here and i scanned it had a 2960 code// so i did the alldata procedure with the terminals at the bcm, no change// then i ordered a new pass lock form...
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2001 GMC 7500 7.2L Hesitation VIN: 1GDM7C1C81
hey any heavy diesel techs out there got a7500 gmc with a 3126 cat diesel with afuel pressure guage installed drive vehicle fuel pressure drops from 70 psi to almost 0 no volume either and no power replaced mechinacal fuel pump no change removed fuel tank no r...
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2000 Saturn SL1 1.9L No Start
Owner could not get ignition key to turn,so he decided to destroy lock cylinder and housing. I replaced both along with a new key coded from dealer. I can not get vehicle started due to Passlock not releaning. I have tried leaving key on for 10 min and crankin...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Skylark Custom 3.1L Coolant leak VIN: 1G4NJ52MXV
I got many helpful tips, customer will bring car back to me after the first of the year. I will post what I find! Many thanks to all 43 who replied.
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1996 Chevrolet K2500 Cheyenne 5.7L abs VIN: 1GCGK24R9T
This one is fixed. We finally got the truck back in after the snow and replaced the sensors and that took care of the problem. What I learned is that the MPH reading in the scan tool that through us off was a substituted data that the PCM was either doing beca...
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2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T83
thanks for all the replies, it has a bad 02 sensor and a block converter. i drop the exhaust the test to see if i9t was pluged. thanks again everyone Trouble codes: P0300 (misfire 1357), P0171 (bank 1 of 1 o2 sensor not with data perimeters).
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