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Professional Automotive Repair Technical Discussions for August 25, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Cadillac Catera 3.0L Starting VIN: W06VR52R1W installed used computer need to reprogram keys with tech 2 scanner when you go to reprogram it ask for securty code |
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| 1997 Chevrolet C1500 5.7L Poor Idle Quality, Misfire VIN: 1GCDC14Z2M Engine has a miss fire on cylinder #6 at idle only. Once trans is engaged the miss goes away and also when traveling down the road. Ignition components have been replaced and also the fuel injection assembly including the spider assembly. Why is it missing onl... |
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| 1997 Chevrolet Blazer 4.3L Cuts out VIN: 1GNDT13W4V Weve had the vehicle in many times for many repairs,the customer only brings the problem up in the summer months.Theres been days when weve driven it w/no problems,we realy havent got it to act up like the customer explains.Apperently the vehicle has too be dr... |
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| 1998 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52M4W I have a reoccuring p0440 code.have replaced vent solenoid because of a leak,have replaced canister solenoid,have checked for system leaks,have found none since replacing vent solenoid,but the car keeps coming back with the same code over and over.some hints a... Trouble codes: P0440 (emission control) |
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| 2002 Chevrolet Tahoe LS 5.3L No Start, Hesitation, Stall, eratic gauges VIN: 1GNEC13Z52 This is my wife's tahoe. I have not been able to recreate the problem. She said she will be driveing and the instrument panel gauges will start cycling back and forth will some times stick high or low. The engine will stall and restart without cranking' will s... Trouble codes: B2647, U1064, U1096 |
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| 2002 Chevrolet S10 4.3L battery drain VIN: IGCCS19WX2 Truck came in with battery drain. Started pulling fuses to find the drain. the #19 fuse (radio battery) in dash was causing drain. disconnected fuse and the drain went to 0.75 volt drain. reinstalled fuse then disconnected radio drain still there, also the fus... |
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| 2005 Chevrolet Aveo LS 1.6L oil pump VIN: KL1TD52685 Does anyone know what the factory spec is for oil pressure at idle? Snap-On Shopkey has conflicting pressures. The vehicle has 18psi at idle hot. There is no sludge in pan or valve cover. Oil pump is new also. Any help to find a correct specification appreciat... |
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| 2006 Chevrolet Cobalt SS 2.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 1G1AP14P56 To all valued tech ,problem is ST trim -15%, LT trim-20%.car runs fine and pulls great up to about 4000rpm then splutters and misses and holds back ,when this happens the ST comes down to about-5 but long term stays -15% ,also when checking O2 reading it stays... Trouble codes: P0172 (fuel trim rich b1) |
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| 1992 GMC Safari 4.3L No Start, Hesitation, Cuts out, Stall Hi and thanks.. This 1992 safari, 2wd drive. came in no start.Someone had all ready changed cap, rotor, wires plug and fuel filter. I change the battery do to corroded connection and leaking battery. Now cranks good. checked fuel pressure had 58 psi with out ... |
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| 1998 GMC Sonoma SL 2.2L MIL Lamp on VIN: 1GTCS1440W This one is driving us crazy. Vehicle came in with a history code for tps sensor out of range. We replaced the computer, the sensor and then when that didn't fix it, we replaced the wiring directly from the computer to the sensor. According to our wiring diagr... Trouble codes: P0122 |
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| 2002 GMC Yukon Denali 6.0L abs VIN: 1GKFK66U12 Hey all and thanks so much in advance for your input. We have this denali that came in this morning. Seemed as though it would be simple!!! Go figure. Customer complained of low pedal and squeak in the brakes. Upon brake inspection , we confirmed a low but sta... |
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| 2004 GMC Canyon SLE 3.5L 2-3up shift VIN: 1GTDT13614 thanks in advance for all responses. 04 gmc canyon with a 4l65e that slips 2-3 shift on part to full throttle accel. fluid looks and smells clean. no dtc watching data, pc sol amps drop when trans is slipping, pressure increases. waiting for cust to give us ok... |
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| 1998 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP12K8W greetings to all I HAVE THIS PONTIAC SETTING A LEAN CODE I STARTED WITH BASIC CHECKS I CLEANED MASS AIR FLOW,SMOKED TESTED THE ENGINE TWICE,CHECKED FUEL PRESSURE AT IDLE 50 PSI AND I ALSO DROVE IT 40 MILES WITH NO FUEL PRESSURE DROP. THE O2 SENSOR IS SWITCHING... Trouble codes: P0171 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Cadillac Catera 3.0L Timing Belt VIN: W06VR52R5X We finally got this vehicle fixed and out of the garage. Sorry about the delay. Waiting on the customer to approve replacing all the broken cam gears. Thank you so much for all the replies. The actual picture of an assembled timing belt from Scott was a huge h... |
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| 1990 Chevrolet C1500 Cheyenne 5.0L Lack of power VIN: 1GTDC14H6L Finally had this act up enough to see that the fuel flow from the left injector is sometimes almost none. Repalaced drivers side injector and customer is happy, they had it back long enough to say that it is fixed. Thanks to all that took time to reply for the... |
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| 1992 Chevrolet Lumina Euro 3.1L Cuts out, Stall, Misfire VIN: 2G1WN14T0N Hello and thank you to all... well this car has not left the shop yet. I have test all the injectors (reistance and flow test) all are identical. Replace the crank sensor for the second time, Two ignition modules, Coils, plugs, wires and PCM and this car is st... Trouble codes: 42 (EST Problem). |
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| 1993 Chevrolet p30 454CID Fuel pump circuit VIN: 1GBKP37N4P Thank You for all the responses! I was able to get acess to All_Data--that with all the responses told me what I needed to know. Thanks again. John |
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| 1998 Chevrolet K3500 Cheyenne 6.5L Stall VIN: 1GCHK33F9W Thanks for the help == We replaced the entire injection pump with module and it cured the problem. While I believe it was just the module .. the problems with these pumps seems like to cover yourself might be best to replace the entire unit Trouble codes: P0126 (Insuf Coolant temp for stable operation), P0236 (Boost Snr 1 out of range), P0251 (Inj Pump A rotor Cam problem). |
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| 1999 Chevrolet Silverado 1500 4.8L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCEC19V1X well sorry for the delay in my post... i pulled the fuse block and found a animal nest and the relay sicnal wire was chaffed against a ground so i repaired all the wires and its been gone for over a week now so we shall see. Trouble codes: P0300. |
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| 1999 Chevrolet Silverado 1500 5.3L Mechanical VIN: W7R5F54RTY Hey all and thanks for all the input on such a crazy question. We decided that from a brake technician and or master mechanic stand point that most of these brake conditions on the gm trucks should be addressed. We have decided, until further clarification fro... |
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