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Professional Automotive Repair Technical Discussions for January 24, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Century Custom 3.3L battery VIN: 1G4AH45N3M I do not have access to a low amp probe,all i have to work with is a test light hooked between the negative cable and the negative terminal on the battery. The only diagram i have to work with is in a chilton diy book,not much detail. I did find that if i remo... |
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| 2005 Buick Rainier CXL 4.2L MIL Lamp on VIN: 5GADT13S45 Came back a week later has same problem and told making winding noise (maybe be from air pump in which stays on all the time or something else?).Also do I in need of reprogram the ecm? Your help will be greatly appreciated it. Thank You, Trouble codes: P0410 |
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| 1996 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W6T This one will not start cold. Once it has started and run for only a minute it will re start and run good all day. When its in the no start I get good spark good fuel pressure and no obvious sensors like map, tps, or cts out of range. Once I give it a whiff of... |
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| 1997 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W6V Hello I need help on this one,this truck came in with starting problem when left sitting,so I checked it and found low fuel pressure,so I replaced the fuel pump with OE one an the truck starts fine now the only thing there is a problem with the fuel gauge it d... Trouble codes: P0463 |
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| 1999 Chevrolet K1500 Suburban 5.7L Parasitic drain on battery VIN: 3GNFK16R5X This is becoming a headache for me and of course this happens to be my personal vehicle. Original alternator failed 6/2007. Decided to upgrade from 105 to the 140 amp alternator. Installed AC/Delco reman unit, just had to change the regulator harness. It worke... |
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| 2002 Chevrolet Tahoe LS 5.3L Surge, Misfire, MIL Lamp on VIN: 1GNEK13Z42 Thanks in advance for any help offered with this one. When driving the vehicle under hard acceleration power falls off and the engine begins to surge. If the throttle is backed off a little then the power returns. The first code to come up was a P0301 so I mov... Trouble codes: P0300 (Random Multiple Cylinder Misfire), P0301 (Misfire cylinder 1), P0303 (Misfire cylinder 3), P0430 (Right cylinder bank catalyst below efficiency) |
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| 2003 Chevrolet Astro 4.3L low power VIN: 1GNEL19XX3 My customer bought this vehicle a year ago. It seemed a bit sluggish then, and now it has gotten worse to the point that it will not climb the hills around here. Per a TSB, I installed a new distributor(aftermarket-complete)no help. Then I got it to pop a code... Trouble codes: P0101 |
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| 1995 Oldsmobile Cutlass Ciera 3.1L Starting VIN: 1G3AJ55MOS cannot locate the fuel pump relay, unit cranks no start has no audable fuel pump noise, aldata has a confusing digeam that doesnt reflect the present system. i just want to jump out the fuel pump |
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| 1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality VIN: 1G3AH52K4T Help please I have this oldsmobile that when stated the idle will go to 2500 to 3000 rpm and when warms up or restart car idle will go down to 1700 rpm it all very the thing I see and think is causing idle to go up is with my tec2 watching the tps the percent ... |
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| 2000 Pontiac Montana 3.4L cooling system VIN: 1GMDX03E5Y vehical came in for a CEL (egr) while diagnosing found oil in coolant. does any one have any experience with finding out how the oil got into the cooling system or knowen issues for this engine. customer states another shop did an intake gasket about 9 months ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Chevrolet S10 LS 4.3L No Start, backfire thru intake VIN: 1GCCS19W6S pulled timing cover down and rotated cam 180 with the timing chain off, removed & reinstalled the distributor per alldata, and vehicle fired up immediately, thanks for all the help!! |
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| 1997 Chevrolet K1500 5.7L No Start VIN: 1GCEK14R2V Thank you for all the replies. I would say most replies were about the pigtail connector, but this is not the correct connector I was speaking of. Pre 1998 have a connector directly under the top of the sending unit, inside the tank. This is not the fuel pump ... |
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| 2000 Chevrolet Express 1500 5.0L power steering pump VIN: 1GBFG15R4Y Thank you to all who replied. Most were correct to say that Napa and other rebuilt GM pumps only replace seals and not the shaft, which is the weak link in this pump. The shaft tapers down to 1/3 its diameter and this is were they always break. It is a design ... |
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| 1995 Pontiac Grand Am SE 2.3L No Start VIN: 1G2NE15D2S found loose connection on starter fusible links are all there.someone replaced starter guess nut not tight enough. turned ont to that simple thanks for help. |
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