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Prev Professional Automotive Repair Technical Discussions for November 22, 2004
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Open Help Requests for GM
Help Request Answers
1997 Buick LeSabre Limited 3.8L Surge, Stall VIN: 1G4HR52K7V
Hi everyone. I have this 1997 Lesabre that will start & run fine both idle & driving. With no pattern it will exhibit at times a surge/idle hunt & then stall as well as idling ok & then stall w/ no surge. The stall seems more likely on a colder engine,(this mo...
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1985 Chevrolet S10 2.5L plug in for panel VIN: 1GCCS14E2F
This s-10 has had someone try to rewire the dash panel plug for gauge cluster, now I have to rewire back to get the panel to work as original equiped. the problem is that none of the wiring diagrams from gm manual match the wires found in this truck, I am wond...
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1991 Chevrolet Caprice Classic 5.0L radio VIN: 1G1BN53E9M
customer is complaining the radio cuts out. it never seems to loose power but the sound cuts out. if you put the sound all the way up you can hear it very faintly then it will play full blast!!! the radio was sent to a a/c delco repair center and they said not...
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1992 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GCEC14K6N
this truck was towed in died on the expressway started when it came off the truck but surges bad & cuts out sets all kinds of codes when it runs but clears them the minute it dies the alldata test for code 42 has led me to ecm replacment am i on the right trac... Trouble codes: 42 (esc problem)
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1994 Chevrolet S10 4.3L 3-2 shift selenoid
Hi all, got a real head scratcher here, veh came in a few days ago with the complaint; after driving a few minutes veh takes off in second gear, trans was built at another shop for this problem, also ecm has been replaced 3 times with no effect on the problem...
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1997 Chevrolet K2500 Suburban LS 7.4L RF Suspension VIN: 3GNGK26J9V
I am posting this for a friend. This vehicle has a thumping noise in the right front fender that no one has been able to locate. It sounds almost like a loose shock but the shocks have been replaced and everthing checked for looseness. It makes noise travellin...
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1999 Chevrolet S10 2.2L Misfire VIN: 1GCCS1445X
engine has skip on cylinder # 1 under load only in 4th or 5th gear. shop before us replaced for the second time, then a 3rd to be sure plugs and wires. coils, ignition module,crank and cam sensors was replaced also. we have tested the tps,map sensor, fuel inje... Trouble codes: 420 (catalyast efficency)
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2002 Chevrolet Monte Carlo SS 3.8L No Start, Cuts out, Stall VIN: SG1WX15K32
This car will start and run good when cold. After a hot soak it will start, stall (like an old chrysler ballest) it will continue the start stall from 3-30 min. then run great. Fuel pressure is good. No check engine light.
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1995 GMC Sonoma SLE 2.2L Poor Idle Quality, Hesitation, no power above idle VIN: 1GTCS1942S
Hi guys, this sonoma is not making sense in that it has no codes for an engine that runs as bad under accel as this one. Checked fuel and spark however no problems found nothing in any manuals at shop have any systoms that match it in any way. Checked compress...
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1999 GMC Sonoma SL 2.2L Speedometer VIN: 1GTCS1443X
This truck came to us with the speedometer not working. All of the other gauges and lights in the instrument cluster work OK. The correct speed is indicated on the scanner. Wiring diagram shows VSS goes directly to PCM. There is a single wire labeled VSS OUT t...
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1987 Oldsmobile Cutlass Supreme 3.8L runs on - desiels VIN: 2G3GR51A4H
Fellow techs, This engine continues to "run on" for several seconds after shutting engine off. It does not have a temp. gauge, just an idiot light. However, I measured temp. at the thermostat housing w/ a temp. gun and get 180F. I checked EGR operation, valve...
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1992 Pontiac Bonneville SE 3.8L Dome lamps VIN: 1G2HX53L6N
Happy Thanksgiving, I am working on a friends car, The dome lamps are on at all times, He lubed the latch switches and traced some of the ground circuits to the door jam switches. He also removed the illumination module, the only way to disable the lamps is to...
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2000 Saturn LS1 2.2L Poor Idle Quality VIN: 1G8JU52F4Y
engine has fast (approx twice a second) surge in gear at idle at stop. no problems noted under any other conditions. occurs hot or cold... The worst beating I ever took was a quad4 in a Grand am. After installing a waterpump, the mechanical part of the chain t...
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2001 Saturn L200 2.2L Poor Idle Quality, Misfire VIN: 1G8JU52F41
Hello, fellow techs, I have this 2001 Saturn fullsize sedan with a MIL on & a misfire. It has the 2.2 l Ecotec 4 cyl engine. It only misfires at an idle. When the MIL comes on, it does not flash, it just stays on. It feels like the traditional bad spark plug w... Trouble codes: P0300 (random misfire detected)
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Fixes & Summaries for GM
Fix/Summary Answers
1984 Buick Regal 3.8L shift points VIN: 164AK47961
Well thanks for all the help guys, The cure was to add a can of trans x and replace the lock up solinoid. After a 50 mile drive it worked like a new trans. The car only has 42k miles on it did not find any junk in the pan again thanks for all the help Paul
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1996 Chevrolet C3500 Cheyenne 7.4L Hesitation, Surge VIN: 1GCHC33J7T
I tried an EGR block off plate with no improvment after talking with the owner I found the engine only had around 50 miles on it, I suggested he try driving the truck for awhile. He took the truck on a short highway trip and came back and told me everything se...
7
1998 Chevrolet Lumina 3.1L SRS light VIN: 2G1WL52MXW
Half of the replies said to go with a factory SDM and 2 others said to check resistance and/or replace wiring to drivers airbag. Vehicle has not returned as of yet. One reply mentioned of a program that can remove the latched 51 code and others had no idea tha...
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2000 Chevrolet Prizm 1.8L Timing chain VIN: 1Y1SK5288Y
After removing the front timing cover for further inspection we found the timing chain to be streched. The tensioner shoe was hitting a stop on the front of the block and not allowing the chain to become fully tensioned. We reaplaced the timing chain and chain...
3
2000 Chevrolet Tahoe 5.3L ABS Module VIN: T8YJ200133
Thanks to all replies. The fix was in a bulliten that I had missed. It also took several days to get the truck back. Chris [...] brought my attention to the bulletin. Cleaning the mounting surface might have been enough but to be shure it was fixed I measu...
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1995 Geo Prizm LSi 1.8L No Start, Stall, Misfire VIN: 1Y1SK5287S
First I want to thank everyone of the six replies I received. Gilberto from California and Merle from Montana came close, but their suggestion was not the fix. Gilberto suggested to replace the distributor cap and rotor, Merle suggested the posibility of a wea... Trouble codes: 31 (VAF/MAF meter sensor signal.).
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1992 GMC motorhome 454CID engine VIN: 70N6322373
I would like to start out by saying thanks for all of those who helped me out with this beast dating back over 4 weeks. I'm sorry that I have taken so long for this final post, but I was hoping I could post a fix. This is one of those black sheep that doesn't ...
42
1999 GMC Sierra 1500 SL 5.3L fuel gauge washer light 4wd light VIN: 2GTEK19T1X
After testing I found that all the problems were seperate ones. The fuel gauge was the fuel level sender the 4wd light was the push button on the dash and the washer never came back on . Thanks to everyone who replied . Brian at RT's Auto Center Inc.
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1999 GMC K1500 Suburban SLE 5.7L theft deterrant VIN: 3GKFK16R3X
Thank you to all the techs who replied. I replaced the ignition switch and that solved the problem. i had trouble doing the relearn procedure due to battery voltage dropping during the 10 minute intervals.I realized I did not have the parking brake on, so the ...
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