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Professional Automotive Repair Technical Discussions for August 11, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Buick Century Custom 3.1L Stall VIN: 2G4WS52J15 well guys i am at the end of my rope with this one,i tied a knot and will hange on until help arrives.car was brought in with an intermittent start and stall would happen 1 to 2 times a day or a week.now it will happen 5 to 10 times a day it doesn't set codes ... |
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| 1988 Chevrolet Spectrum 1.5L Stall VIN: J81RG5178J Greetings techs, No good deed goes unpunished and this Spectrum is eating our lunch. We had a slow day and this one came in with a head gasket leak, worn tie rod ends, and poor tires. Found that the cooling fan circuit was bad and was the cause of the overhea... |
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| 1990 Chevrolet Corvette 5.7L Surge VIN: 1G1YY2385L Thanks for all who may reply,we have a 90 corvette that surges.We did complete tuneup on this checked timeing its ok,egr ok fuel pressure ok. this happens at idle and driveing. We unplugged an o2 and it quit,so we checked converter found it was bad so we repla... |
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| 1995 Chevrolet S10 2.2L spark knock VIN: 1GCCS1442S I have replaced the egine in this truck.Went over used engine.replaced plugs wires-plugs -timing chain-oil pump- the engine sounds fine no codes runs good.the only problem is the only problem is a spark knock like i have never seen.when i put it in gear and gi... |
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| 1998 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52M1W all gm techs this one came for inspection with codes 336 and 401 i took care of the 401 by replacing the egr valve but the 336 is driving me crazy i erased it and comes right back the check eng light is not working does not come on with the key on but in the s... Trouble codes: P0336 |
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| 1999 Chevrolet Express 3500 6.5L Hesitation VIN: 1GCHG35F9X Engine will not run more than 1200 rpms and smokes profusely. I have replaced the fuel pump, injector pump, fuel and air filters. I noticed that the fuel rate should never go over 15. At idle the fuel rate stays within spec., however the minute the throttle is... |
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| 2000 Chevrolet K2500 7.4L Poor Idle Quality, Detonation , VIN: 1GCGK23J8Y Hey folks. I had this same problem about 4000kms ago on this truck and i thought it was fixed but here we go again. The truck came in with extended crank times, once it did start it would detonate under heavy load. I have replaced the injectors fuel press reg ... |
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| 2002 Chevrolet Trailblazer LS 4.2L Stall, MIL Lamp on VIN: 1GNDS13S92 Howdy Boys and Girls, This truck came in with a ce light complaint and oh, by the way it stalls sometimes he says. The fail records show that the crank/cam sensor codes occurred at the same time 889 miles ago. The code definitions say that the 335 and 336 code... Trouble codes: P0340, P0335, P0336, P0174 |
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| 2003 Chevrolet Silverado 1500 5.3L Transfercase VIN: 1GCEK19T43 Hi guys I have this truck that is a intermitting problem of the service 4wd light comes on and sometimes it will lock it self into 4wd or 4low. I have already replaced and reprogrammed the Transfer Case Control Module, the problem went away for about a month a... |
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| 1997 Oldsmobile LSS 3.8L Poor Idle Quality, Stall VIN: 1G3HY52K9V Hi this is a pull your hair out problem. intermitently this car will stall most times on deceleration but sometimes on acceleration. it will stall but start right back up. I took it home 2 nights in a row and it never stalled for me as usual. fuel pressure is ... |
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| 1994 Pontiac Grand Am SE 3.1L Unknown VIN: 1G2NE55M6R this car will not move forword in overdrive position. it will move if you shift into manual low and then upshift manually. Once its in drive it will drive fine till you stop again, to take off you must put gearshift back in low then upshift manually until your... |
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| 2001 Pontiac Grand Am GT 3.4L Misfire VIN: 1G2NW52E61 i am beyond myself with this one, after car is at operating temp, vechicle between 70-75 mph 2000-[...], with very light accel, engine developes a random misfire on all cyclinders and will not set a trouble code. i have tested all sysytems and retested them... |
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| 2002 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E62 This vehicle has a very intermittent crank no start,no injecter pulse,fuel pressure 55 psi,good spark.3x and 24x shown on scanner while cranking when no start.Only code P1189.Will the oil pressure switch cauze a no start.I'm leaning toward a PCM not grounding ... |
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| 2002 Saturn L100 2.2L Speedo/Tach/ AC VIN: 1G8JS54F92 Vehicle has been to Saturn (they replaced BCM). Have done continuity checks on all related wiring and grounds-okay. Tried known good cluster, no difference. A/C request in BCM okay, no request shown in PCM. Speedo and Tach info shows up on scanner data readout... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick LeSabre Limited 3.8L Accessories VIN: 1G4HR52KXV problem with vehicle theft system,blower problem with auto climate control module,still have the car customer has not gotten back with me on the repair of this vehicle.thanks for all your help |
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| 1998 Cadillac DeVille 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KD54Y6W Sorry for the delay in post, customer picked up vehicle and overheated engine and blew headgaskets had to replace gaskets and thermostat now car runs better than since cust purchased. Thanks to those that took time to respond. Trouble codes: P0300. |
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| 2004 Cadillac CTS 3.6L oil consumption VIN: 1G6DM57784 I have checked the cooling system, changed the oil and filter again, making certain it reads FULL. I have rechecked the oil level after about 700 miles, and it was still on the mark. I have not seen the car since, and I must close this request. I will be le... |
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| 1987 Chevrolet Cavalier 2.0L Stall VIN: 1G1JC1117J thanls to all of you for your replies, the customes decided the he was not going to spend anymore money on this car. But I can tell you this we put a new fuel pume in it because the old one read good pressuer but it han no flow. the new pump started the car an... |
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| 1998 Chevrolet S10 LS 4.3L Misfire VIN: 1GCDT19X6W Thank you all for the help. The problem was in the head im guessing vavle guides. but i put a new set on there and it fixed the problem. Thanks again. Trouble codes: P0300. |
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| 2002 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on, Hard Start VIN: 2GCEC19W82 Thanks for all the replies. What we did was hook up injector cleaner at intake( first we removed pressure & return lines and blocked off return) pressured up to 60 PSI & let it set for [...]. It dropped 20 PSI in 5 minutes. So it had injectors bleeding down... Trouble codes: P0300. |
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| 2004 Chevrolet Silverado 1500 4.8L no 3rd VIN: 2GCEC19V55 The replies helped, It had 3rd clutch gone. Owner opted for a reman from Advance Auto Parts, it came from Jennings Transmissions out of Goldsburo North Carlina. Its got a codes for tft P0117, scan tool shows -39 degrees, and voltage a 5v. They suppose to pay m... |
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| 2005 GMC Canyon Z85 SLE 3.5L abs VIN: 1GTDS13655 We appreciate the 2 responses that we received.We could not duplicate the complaint and the codes we got did not return at any time during our road tests.Neither the local dealer nor us have an answer for the customer and the truck is on it's way back to north... |
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| 2004 Pontiac Grand Prix GT2 3.8L wont run monitor VIN: 2G2WS54254 SORRY FOR THE LATE SUMMARY,BUT I DONT HAVE MUCH TO ADD AT THIS TIME,THE LAST THING I DID WAS FORCE EVAP TO RUN THE MONITOR BY DOING A BAY TEST WITH OTC SCANNER THERE WERE SUFFICIENT MONITORS TO RUN NYSI .CUSTOMER NEEDED VEHICLE BACK NEXT TIME HES IN ILL CHECK... |
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