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Professional Automotive Repair Technical Discussions for March 14, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Chevrolet S10 Blazer 4.3L Hesitation, Cuts out, Misfire VIN: ASRT345678 hello techs...this 89 s10 4.3 is my own personal daily driver...i disconnected the knock sensor because just bliping the throttle in neutral would retard timing right away...and also with modern gas being alot better i bumped up the ignition timing a whole lot... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality, high idle VIN: 2G1WX12X3T This (salvaged) monte carlo came in with driver complaint of "pushing thru stop signs". Found a high idle problem. Changed leaking fuel pressure regulator, cleared codes (map problem-I think it was unhooked once) and started it up. Still high idle around 2000r... |
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| 1998 Chevrolet Venture LS 3.4L Surge VIN: 1GNDX03F5W Note,I tried scan tool test and tester would'nt give any codes,checked for power at dcl connector and none found.Checked fuse box replaced burnt out fuse.Retested and got code 1870.I do not have this code listed in my code book whick I got with tester.I cleare... Trouble codes: 1870 (powertrain code) |
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| 2000 Chevrolet Silverado 1500 5.3L tcc VIN: 1GCEK19T3Y after the truck warms up and the tcc engages ;the tcc seems to slip in and out and doesnt stay fully engaged.no codes are set.i know the 98 and 99 had problems with the tcc bore in the valve body wear.just wandering if anyone was having the same problem with t... |
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| 2001 Chevrolet Impala 3.4L cooling fans VIN: 2G1WF52E31 HI FELLOW TECHS GOT A STRANGE ONE HERE. HOPE SOMEONE HAS RUN INTO THIS BEFORE. cUSTOMER STATED THAT YESTERDAY MORNING HEARD A HUMMING NOISE COMING FROM THEIR GARAGE, WENT TO INVESTIGATE AND HEARD THE COOLING FAN ON IN THEIR CAR. THE VEHICLE HAD BEEN PARKED IN ... |
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| 1996 GMC K3500 Sierra SL 7.4L 2-3 shift VIN: 1GTHK33J2T Vehicle came in with no 2-3 shift.At about 30-40 mph the trans just slips.1-2 shift is poor also.There seems to be a relation to the tach and speedometer not working when the trans act up.Had a trans range error so the trans range sensor was replaced.Vss looks... |
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| 1998 GMC Jimmy Envoy 4.3L Transfer Case VIN: 1GKDT13W7W Hello fellow techs. This question comes from abroad and am comunicating with customer over phone line. Vehicle does not appear to engage into 4 wheel drive when actuated. I do not have this vehicle to test so I will tell you what I know. Customer says he can h... |
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| 1999 Oldsmobile Alero GLS 3.4L No Start VIN: 1G3NF12E1X I need help with this problem child.This car will not have injector pulse or spark from all packs intermitantly after sitting 12 hours at under 3o degrees.Car has never had a code.This car may go 1 or 2 weeks without a problem.Everytime it acts up I start trac... |
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| 1997 Pontiac Grand Prix SE 3.8L day running lights I have looked in my available electrical prints but this is not an included part of the prints i have available to me. I would appreciate any and all help. A print of the electrical would help. I am available at [...]. Thanks in advance, Andy |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet K2500 5.7L brake lights VIN: 1GCGK23R8X thanks for the input everyone.with a little help from identifix and a lot of wire tracing i found the white wire rubbed through to a constant hot wire at center pillar(4 door truck)on driver side below seat belt.finding problem was difficult due to lack of con... |
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| 2000 Chevrolet K3500 5.7L Parking Lights VIN: 1GCHK33J1Y Thank-you very much to everyone that took the time to reply.Almost everyone was in agreement that he was running to many lites on the same circuit. The correct fix would be to install a relay for the extra lites, which he was unwilling to pay for. So I install... |
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| 1990 GMC C1500 Sierra 5.7L Brake pedal VIN: 2GTEC19K61 A few fixes were to recheck for air in system which checked out okay. Another stated back to basic procedures and recommended closing off brake hoses one at a time to verify we dont have a brake hardware issue. The overwhelming responses was to check the R... |
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| 1997 Oldsmobile Aurora 4.0L oil consumption VIN: 1G3GR62CXV I want to thank first of all the 5 that responded to my post. I proceeded to use the GM top engine cleaner which removed alot of crud , I did leave it soak for 24 hrs and turned the crank slightly to help it work in. I had not replaced the PCV during the tune-... |
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