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Professional Automotive Repair Technical Discussions for August 23, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick LeSabre Limited 3.8L poor cold start VIN: 1G4CX5132H Hi all, this is for a VIP (aka bosses inlaw) the first thing many of you will think of is, does it have the right PROM, checked as per TSB and it does have a 1274 PROM ID, read via scanner. This beast either won't start or has long crank time and either splutt... |
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| 1998 Cadillac DeVille 4.6L compressor VIN: 1G6KD54Y8W what i would like to know is the voltage range of the high and low side temperature sensors on the ac system. no imformation i can find tells me what voltages will cause the acm/ipc to lock out compressor operation, no scanner i can come up with comunicates wi... |
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| 2000 Cadillac Escalade 5.7L brake pedal VIN: 1GYEK63R0Y Hello, Vehicle came in with low pedal,found master cylinder leaking,front brakes worn out,rotors below min. thickness.Replaced master cylinder,2 ft.calipers,front pads,2 front brake hoses,2 ft.rotors. Pedal still low. Tested hydrolic abs valve with paper clip,... |
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| 1994 Chevrolet C1500 5.7L Hesitation, Cuts out, Misfire VIN: 2GCEC19K7R This is at my shop now and when cold this truck has a bad hesitation under medium to hard acceleration. There is a slight hesitation when warm. We have found the fuel pressure is good and fuel volume is good. AMP clamp fuel pump its OK. OHM test the temp senso... |
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| 1995 Chevrolet K1500 5.7L Camshaft VIN: Y6YD222535 I purchased a [...]. Measured it and the cam lobes if I did right are about .412/.436 Not sure ... Matched to the new cam and there is ... |
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| 1999 Chevrolet Malibu LS 3.1L anti-theft VIN: 1G1NE52MXX Gettin tired of this car. This vehicle has a persistent intermittent no-start condition that can never be replicated when it is at the shop. Key relearn always does the trick. I have checked all my connections and all seems well. I have replaced bcm assuming i... |
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| 2001 Chevrolet Express 2500 5.0L Steering Pump VIN: 1GCFG25M41 This Van belongs to the business next door. One week ago I replaced the power steering pump due to a snapped shaft on the original pump(which is a common failure on these). The van came back today with another snapped steering shaft. I checked all lines for ... |
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| 2004 Chevrolet Suburban 1500 LS 5.3L temp guage VIN: 3GNEC16Z84 truck came in with temp guage sometimes not working ,customer says it stay on cold does not go up. we looked at it twice already. first time guage worked fine ,second time did not it would stay down and not register. i noticed the pigtail was cracked and wires... |
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| 2004 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on VIN: 23WT456W91 This truck came to me from a local used car dealer with a check engine light on. I scanned codes and found P0171,P0174.P0300,P0305. I then checked fuel trim and found Right bank long term+17 and left bank long term+25. I then checked for vac. leaks and found i... |
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| 2005 Chevrolet Uplander LS 3.5L steering rack? VIN: 1GMJ780TD5 Sorry about the VIN guys. I'm at my home computer- vehicle is at shop. This is a 2005 uplander LS 3.5L FWD. Experiencing a sort of vibration/chatter symptom when turn from right or to left. It is subtle but definatley there. My boss wants me to R & I the steer... |
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| 2007 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 1GNFC16067 This 2007 new body style suburban came in with a cel and a code p0442, we hooked our smoke machine up and closed the vent valve with the scan tool and it was smoking on top of tank. The fuel tank pressure sensor was pushed out, we put it back in it just presse... Trouble codes: P0442 |
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| 2002 GMC Envoy SLE 4.2L No Start, Cuts out VIN: 1GKDT13S72 Thank you everyone in advance for your replies. We have a 2002 GMC Envoy that will cut out on the customer. sometimes it will start afterwards, sometimes it will not. We have had this truck in our shop for a while and have not been able to recreate the problem... Trouble codes: P1514, P1345, P0335 |
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| 2004 GMC Sierra 2500 HD SLT 6.6L Unknown VIN: IGTHK231X4 Hello all, i need of some help with a 2004 GMC 2500 HD 6.6 This is a friends truck,truck was towed in Monday.Trans got close to 300 degrees sitting in traffic outside a concert Friday night.I can verify because i was sitting in same traffic.He has a small hand... |
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| 2003 Pontiac Aztek 3.4L Poor Idle Quality VIN: 3G7DA03E83 This vehicle came in 1 week ago complaing about overheating problem. Found that the thermostat was stuck closed replaced the thermostat and gasket and flushed out the cooling system. Upon test driving the vehicle something popped in the engine and the vehicle ... |
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| 2004 Saturn Vue 2.2L Mechanical VIN: 5GZCZ23D64 error code po 480 ?? |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Buick Rendezvous CX 3.4L AWD Disable Light VIN: 3G5DB03E04 The fix was simple once I knew how to test it. I have cut and pasted the two replies that gave us our answer: Eric from Maine Hey Tory, Just did one of these a couple of weeks ago. I found a very helpful response in the archives from "Jim from Wisconsin" : "... |
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| 1992 Oldsmobile Cutlass Supreme 3.1L Stall VIN: 1G3WR11X3N Well guys I checked and tested everything that was mentioned and suggested by all. Everything is normal, that left only one thing, replaced the computer and vehicle has not stalled since. It even seems to start up a little crisper. Thanks for the help. Trouble codes: 35 (iac error). |
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| 2002 Pontiac Grand Prix SE 3.1L Cuts out VIN: 1G2WK52J42 I wish to thank all who responded. It took a while, but the problem is solved. We found 2 wires in the wiring harness by the radiator filler neck had become bare by rubbing on the filler neck, causing them to short. Trouble codes: P0230 (Fuel Pump Comtrol Circuit), P0650 (Malfunction Indicator Control Lamp Circuit). |
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| 2005 Pontiac Grand Prix 3.8L Hesitation, MIL Lamp on VIN: 2G2WP52235 Thanks to everyone who responded. I tried and rechecked the suggestions made but still have not repaired vehicle for the MAP code. Customer chose to see if problem becomes more consistent or if any other codes set. Also reommended to have ECM flashed. Cust... Trouble codes: P1106 (intermittent high voltage on MAP sensor). |
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