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Professional Automotive Repair Technical Discussions for March 13, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Chevrolet Corvette 5.7L Poor Idle Quality, Stall VIN: 1G1YY2180K hello again-i have this corvette in my shop which idles rough at times-and while driving and coming to a stop or cruising down a hill decellerating it wants to die-it will restart every time-somebody has already done a full ignition tunep-injection service-iac... |
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| 1991 Chevrolet Caprice 5.0L Poor Idle Quality, cannot set base time VIN: 1G1BL5370M this car is a police package car, there are two wires in the timing spout connector, (white , and tan - blk stripe).I had to advance the distributor alot to get the car to start.I set timing by ear before using timing light. Then I used timing light, with spou... |
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| 2001 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GTHK29151 This truck was towed in for a no start. I pulled the fuel filter, and found that it was full of dirt. I dropped the tank to drain & clean, but the fuel in the tank looked clean and smelled good, so I replaced the tank & filter, primed, and sent him on his way.... Trouble codes: P0093 |
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| 2002 Chevrolet Blazer LS 4.3L radio VIN: 1GNDT13W32 Hi everybody I have this 02 Blazer in the shop with a radio that will not work with the key in the run position, but will work with the key in the acc. position. Also if the key is turned to the run position and slowly turned to the off position there is a po... |
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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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| 1995 Pontiac Grand Am SE 2.3L runs hot Car runs hot only when you move ac-heater controle to heat.Radiator,thermostat,heater core,heater hoses with build in by pass valve,which I have never seen on these cars before,have all been replaced.Cooling fan motor comes on at 225 right where it is supposed... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Buick Regal 3.1L Hesitation, Cuts out, Stall VIN: 2G4WB51T9P It's time I closed this one. No, it is not fixed, sorry to report. I made the mistake of putting on an aftermarket module, and 3 aftermarket coils. Car started great, on I went on a test drive. Ran great for 10 miles, and on the way back to the shop, it starte... |
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| 2000 Chevrolet K2500 6.5L Poor Idle Quality VIN: 1GBGK24F3Y Recieved 3 replys, The general consenses is that it will be a dealer thing. Customer has not returned to do any futher checking. Thanks for your time & replys. Regards Mike |
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| 2001 Chevrolet Malibu LS 3.1L high idle VIN: 1G1NE52JX1 This vehicle has been fixed. The new computer did not fix the problem. The fix was a new TPS. On Saturday it did not idle right all day. I had a code for low TPS voltage. Went to the local A C Delco warehouse and got a TPS. Replaced the TPS and also cleaned th... |
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| 2002 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 16NEC13Z32 Replaced fuel filter, cleaned MAF sensor. I did not find any evidence of vacuum leaks. Fuel filter was restricted. Replies were fuel filter, fuel pump, intake o-rings and MAF. Thanks for all the help Trouble codes: P0171 (too lean bank 1), P0174 (too lean bank 2). |
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| 1994 Oldsmobile 88 Royale 3.8L MIL Lamp on VIN: 1G3HN52L3R Thanks for your replies to my problem. I have repaired the problem. It seems that for some reason the pcm had a PROM for a VIN 1 engine(supercharged} so it was looking for a voltage at pin BE10 which is boost control. Quad driver 1 controlboost as well as evap... Trouble codes: P1640 (Quad driver 1 TCC apply and evapcanister purge). |
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