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Professional Automotive Repair Technical Discussions for September 2, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Cadillac Escalade 6.0L ride control VIN: 1GYEK63NX2 Vehicle came in with SERVICE STABILITY SYSTEM light on.My Modis does not have the option to scan for suspension codes.Scan for code on ABS ,found code C0286.Replaced MPA switch per TSB,erased code,road tested vehicle,no change,light is still on.Same code still... |
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| 1995 Chevrolet Camaro 3.4L no ground signal to compressor above 30mph. VIN: 2G1FP22S8S We have discovered that the A|C system works great, until the speed reaches 30mph... engine RPM has no bearing on the issue. Can duplicate the problem on the lift. A|C system pressures are 230|28 psi and outlet temperature is 38 ... ambient temp today was 85. |
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| 1998 Chevrolet S10 2.2L brake shift interlock VIN: 1GCCS1448W hi everyone, thanks in advance for your help; sorry i realized after the fact that it is listed on here as a standard transmission, it is in fact an automatic. customer brought us this vehicle stating that it would shift out of park without his foot on the bra... |
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| 2003 Chevrolet Silverado 1500 5.3L MIL Lamp on, Throttle response VIN: 1GCEC19133 Good morning all, I ran across an issue on this Chevy pickup I haven’t seen before. Customer said engine was running fine, but had no throttle response and had to get towed in. When I saw the truck the next morning, it was working fine but the MIL was on with ... Trouble codes: P0120 (tps), P0220 (tps), P1515 (Throttle actuator position), P1516 (Throttle actuator position), P1518 (Serial data failure) |
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| 1995 Oldsmobile Cutlass Ciera 3.1L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1G3AJ55M3S severe lack of power above 1/2 throttle at highway speeds with warm engine. can be easily duplicated in stall once warmed up. does not act up cold. service engine soon light comes on when acts up. code p0341 is present (cam sensor additional pulses). monitored... Trouble codes: P0341 (camshaft position sensor extra cam pulses) |
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| 2003 Oldsmobile Alero GL 3.4L Starting VIN: 1G3NL12E83 Thanks in advance for any input you may have. This vehicle has an intermitant no crank situation. Boss insisted throwing switches at it after 2 $150.00 tow bills. Here is what Ive narrowed down. When car wont start there is voltage supplied to the pcm from the... |
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| 2001 Pontiac Montana 3.4L cluster (trip meter) VIN: 1G5839T452 Customer called and wondered if I had any ideas on why the light was not on. Haven't had a chance to look at the van yet. Apparently just the trip meter and odometer are not lit up. Any suggestions as to why this could be and how to fix it? Are these vans know... |
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| 2003 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E03 this fine vehicle came to me as an intermittant start problem. i put the fuel pressure gauge on it, taped it to the windshild. when it would not start, the only fuel pressure i had was the prime up pressure. the engine would spin for approx 15 sec, the fuel pr... |
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| 2002 Saturn SL 1.9L MIL Lamp on VIN: 1G82H52892 customer came in with the mil on and the po410 code. followed the tests for the code and found the secondary air control solenoid was faulty. r/r solenoid. aday later customer called to say light was back on. later that day customer said that light went out an... Trouble codes: P0410 (secondary air system circiut problem) |
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| 2003 Saturn L300 3.0L pressures VIN: 1G8JW54R13 We replaced the compressor one month ago. Vehicle left blowing cold. Came in today with compressor not working. I hooked up the gauges and without the vehicle or compressor running the low side was 350 psi (maxed out). The high pressure was 140 psi. I have nev... |
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| 2004 Saturn Ion-2 2.2L Lock cylinder VIN: 1G8AJ52F94 I was hoping someone could help me on this one. Not familiar with this system. The car was towed in and the key will not turn in the lock cylinder. I want to replace it, but I can't find any info on removing it while it's frozen. How do I remove it if I can't ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick LeSabre Custom 3.8L Misfire, MIL Lamp on, P0300B VIN: 1G4HP54K02 Thank you for all the responses I received. They were a big help.I'm sorry I didn't get back sooner, but the misfire was very intermittent. Based on the general consensus of the majority of replies I received, I swapped cylinder #1 injector with cylinder #3. ... Trouble codes: P0300, P0463. |
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| 1986 Chevrolet S10 2.8L fuel gauge VIN: 1GCBS14RXG HEY, THANKS TO EVERYONE FOR THE HELP. EACH REPLY WAS VERY HELPFUL & WE TRIED EACH REPLY.WELL,WE FINALLY FIX THE TRUCK,IT WAS A BAD FUEL GAUGE (DASH UNIT). AGAIN,THANKS EVERYBODY & WE APPRECIATE ALL OF YOUR REPLIES. THANK YOU VERY MUCH, STANLEY [...] |
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| 1996 Chevrolet Astro 4.3L Wipers and Cruise Control VIN: 1GNDM19W9T We went with the common consensus that it was probably the switch. So far so good. Thanks to all who took time out of their busy day to respond. |
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| 1997 Chevrolet K3500 Cheyenne 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1GCHK33JXV THANKS EVERYONE TURNS OUT THE O2 SENSORS HAD MESSED UP ONE BANK HAD STUCK LEAN AND ONE STUCK RICH AND WOULD NOT SET A CODE REPLACED ALL 4 O2 SENSORS AND IT FIXED THE PROBLEM |
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| 1997 Chevrolet K1500 Cheyenne 5.7L surging at cruise, very hard 1-2 shift VIN: 2GCEK19R8V Bad ground on the back of head. Cleaned up and problem has gone away. |
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| 1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W8W Hey Everyone After The Long Weekend I Checked For More Replies. Again The Truck Ran To Well If The Timing Chain Was Off. The Original Dist. Was Off Some According To Alldata's Set Up Specs. The New (used) Dist. Was A Lot Closer To The Specs,But With The Same ... Trouble codes: P1345. |
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| 1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 1GCEK19R9W replaced spark plugs on cylinders that had a misfire and the truck ran good on startup. hot soak for about 1 hr restart had same misfires. hesitantly went back to the injectors. when we pulled the harness plug out there was fuel on top of the injector elect... Trouble codes: P0300, P0302, P0305, P0307. |
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| 2001 Chevrolet Express 3500 5.7L Fuel guage VIN: 1GCHG39R81 Finally this vehicle has been repaired.After exhausting many possibilities short of a reflash as I stated previously,we opted to take a leap of faith and order a dealer unit.It worked wonders.What were the odds of having two aftermarket assemblies defective.Go... |
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| 2002 Chevrolet Silverado 2500 HD 6.0L No Start VIN: 1GTHK29U42 Most replies sent me to grounds, all grounds were good, scan tool showed injectors and pump working, suspect fried the injector fuel pump driver, we dont have ability to program computer, no dealer around, going to tow 100 miles to dealer to have computer flas... |
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| 2003 Chevrolet Silverado 3500 6.0L charge indicator VIN: 1GCJK34U53 Thanks to all . I believe that I fixed it with a pick. I tensined the terminals and applied a contact catalyst. I replaced the second alternator anyway. Thanks again |
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| 2008 Chevrolet Express 2500 LS 6.0L Accessories VIN: 1GAGG25K48 thanks to all who responded. The van was taken for about one week which gave me time to search deeper for a converter to run the trailer lights and not have to deal with the BCM. The converter is powered separately via a fuse from the battery. That was the har... |
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| 1996 Geo Tracker 1.6L 1-2 shift VIN: 2CNBE1869T i'm really apreciated to bill i have this car fix the problem was a bad vacumm canister valve,we put a new one and that fix the problem |
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