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Professional Automotive Repair Technical Discussions for May 17, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Cadillac SRX 4.6L Seat Calibration VIN: 1GYEE63AX4 Hello Group, I have this Caddy that I can not get the 3rd row seat assembly to calibrate.And without being calibrated the cust can not operate the seat controls. Useing my Tech 2 I can command the seat in all directions [ Can only move a little @ a time, but w... |
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| 1990 Chevrolet K1500 Silverado 5.7L Surge VIN: 1GCDK14K2L This truck has a lean surge to it. The o2 sensor will go lean, under .200, just above idle and at this time the int is 128 and block learm is 128 sometimes 132. Neither will go up as the o2 sensor stays lean. I have run it on motorvac and still same results. A... Trouble codes: 32 (Egr) |
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| 1996 Chevrolet Camaro 3.8L Poor Idle Quality, MIL Lamp on, High idle VIN: 2G1FP22K6T This is a customers car that came in running very poorly and and sounded like it was skipping. Hooked scanner up on it and found that there were no misfires but had 2 codes for TPS sensor. Went into the data on the scan tool and the computer is reading that th... Trouble codes: P0122, P1122 (Tp circuit int. Low voltage) |
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| 1999 Chevrolet Tahoe 5.7L 4l60E VIN: 1GNEK13R9X Hi, I had the trans rebuilt. I installed the unit and I have no 3rd or 4th gear. When it shifts from 2nd it just freewheels. The scanner indicates it's shifting properly and if I command it with the scanner same thing no 3rd or 4th. I have replaced the valve b... |
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| 2000 Chevrolet Blazer LS 4.3L compressor VIN: 1GNDT13W0Y I have a s-10 blazer with auto climate control. I do not get compressor activation. There are no codes in the hvac system. I can command on the compressor with the scan tool. The a/c button flashes when pushed. My low side switch is shown to be closed. The hig... |
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| 2002 Chevrolet Impala LS 3.8L Electronic VIN: 2G1WH55K92 Ok so Im getting confused.Customers complaint is ac inop.confirm complaint found low on r134a (on ecacuating scale showed 1.1 lbs. system holds 2.25)evacuated and recharged w/ dye compressor now kicks on 5 seconds after sarting car but shuts off within 3 secon... |
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| 2003 Chevrolet Malibu 3.1L misc. VIN: 1G1ND52J13 this car has had main computer,body control,and various other goodies thrown at it. everything that was replaced was new ,proper, and reflashed.car's dash goes crazy car shuts down and may or may not restart. |
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| 2006 Chevrolet Cobalt LT 2.2L p0480 / P0481 VIN: 1G1AL55F66 This car originally was blowing the cooling fan 30 amp fuse, so we replaced the cooling fan. Could find nothing wrong with the original fan - except it ran as soon as the engine was turned on. After we cleared the codes and replaced the fuse, it only turns on ... Trouble codes: P0480 (Low Speed Cooling Fan Circuit/Relay fault), P0481 (High Speed Cooling Fan Circuit/Relay fault) |
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| 1999 GMC C6500 8.1L parking brake VIN: 1GDJ7H1E91 This unit has a electric/hydraulic parking brake system that I am not familiar with. The parking brake is stuck in the applied position. With the parking brake knob released and the truck in gear I get a parking brake light and a service brake light. There is ... |
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| 2008 GMC C4500 Topkick C4C042 8.1L engine VIN: 1GDG5C1G58 hey guys. this topkick has an engine noise sounds like a lifter noise but does not change when doing a cylinder balance test.the noise does follow engine rpm.it is not an exhaust tick it is internal to the engine.the oil is fresh and clean.the truck is low mil... |
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| 2001 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K91 Car came in with cat code p0420.Check car and found rear o2 sensor damaged replaced and code came back.Fuel trims good.Graphed sensors and rear o2 stays flat but does move up and down when decelerating .Front o2 seems to be working okay.Freeze frame data show ... Trouble codes: P0420 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Buick Century 3.1L Misfire VIN: 2G4WS52J93 I want to thank all of you for the promt response. i got here this morning took the valve cover off and sure enought the rocker arm to the intake valve was just laying in there. I have a new question. Whats my next step. Should i heli coil all the rocker arms ... Trouble codes: P0300 (Engine missfire detected). |
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| 2004 Cadillac DeVille 4.6L Stall, MIL Lamp on VIN: 1G6KD54Y24 I would like to thank everyone for your help. I ended up replacing the transmission and that fixed all of the problems. I also ended up replacing the TPS for a stall when taking off from a stop light. |
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| 2005 Chevrolet Silverado 2500 HD LT 6.6L Front Sag VIN: 1GHK23285F Thanks to robert ,jon and wesley for their help. WE adjusted torsion bars took up the rest of the adjustment. This raised the front about 2 in. I got some info on several companies the make offset adjusters. Duck head ready lift and a web site www.stepf.com .... |
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| 2007 Chevrolet Tahoe LT 5.3L No Start, MIL Lamp on VIN: 1GNFK13067 i would like to thank all who responded, the tahoe is fixed. it had a weak fuel pump, . the fuel pressure was checked as well as o2's and fuel trims, all appeared normal , just overlooked putting that info in my help request,sorry for the missing information l... Trouble codes: P0171, P0174, C0561. |
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| 2007 Chevrolet Tahoe LS 5.3L Poor Idle Quality, Surge, MIL Lamp on, Low power VIN: 1GNEC13J37 Found out from Jim Wilson, on the Autonerdz fourm, that the chain guides fall appart and get caught by the chain. That is what happend with this one as well; jumped three teeth on the crank gear. Trouble codes: P0016 (Cam/Crank correlation error.). |
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| 2007 GMC Sierra 1500 Classic SLE 5.3L Unknown VIN: 3GTEC13057 well i got it fixed the problem turned out to be the controle head. If you would tap on the temp knob when hot air was blowing it would get cooler for an instant then hot again , you could also hear the door change slightly in the box. Thanks for all the help ... |
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