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Professional Automotive Repair Technical Discussions for July 25, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Buick Park Avenue Ultra 3.8L Poor Idle Quality, Stall VIN: 1G4CU54314 This vehicle came in (driven but limping)w/ 31 psi fuel pressure. It started and ran rough cold motor but as engine temp. went up it ran fine. We checked fuel pressure low at 31 pounds. I have told this customer for about a year that his fuel pump was on the w... |
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| 1994 Cadillac DeVille 4.9L Cooling Systems VIN: 1G6KD52B6R Suspected thermostat, vehicle lower hose would get hot very quickly upper stayed cool. Coolant would pour out of radiator [ we had funnel attached ]. Replaced thermostat and same thing happened. This time we removed thermostat and all appears fine. Defective t... |
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| 1997 Cadillac DeVille 4.6L Misfire VIN: 1G6KD52Y9V well this for gm tech car came engine service soon light on code po300 multi cylinder misfire. replace spark plugs wires and air filter. two wires were very coroded at coil tower. clear code road tested still feal misfire intermitanly. code p0300 came back. an... Trouble codes: P0300 |
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| 2001 Cadillac DeVille 4.6L multiple problems VIN: 1G6KD54Y51 I'm having an intermitant problem with this Cadilac. About once a month it will act up. When it first came in it was an intermitant no start, the fuel gauge was inop as well as the windows. I replaced the ground wire at the alternator & cleaned the battery con... |
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| 1999 Chevrolet Blazer 4.3L abs VIN: 1GNDT13W9X I have just replaced front calipers, bleed nipples to the top, under brake bleeder cannot get fluid flow!!! Pressure tank full and flowing, Fluid comming out of master when cracking lines, no flow coming out of ABS module when cracking lines, Ran ABS scan tool... |
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| 2001 Chevrolet Malibu 3.1L Stall VIN: 1G1NE52J21 This vehicle will stall when the a/c compressor kicks on. Does not seem to be locking up. If you turn the a/c compressor off, the motor will run horribly. You could put your foot on the gas and it won't rev past 1500 rpms. Like a clogged converter feel. It wil... Trouble codes: U1040 (Communication with abs module issue) |
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| 2003 Chevrolet Silverado 2500 HD 6.0L Reverse Gear VIN: 1GCHC24U63 Any and all replies appreciated. Thanks in advance. Only failure I have gotten out of this vehicle has been over the weekend, after it sat, started it first thing this morning and put it in reverse, with about a 10 second delay. When I first pulled the dipstic... |
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| 2004 Chevrolet Avalanche 1500 5.3L differential VIN: 3GNEC12T64 Came in for noise from differential. Found pinion and side bearings were pitted. Replaced with new OE pinion bearings and side bearings with shim adjustment kit. The noise is still there when you unloading/ coasing. I did not reuse the assembly line shims inst... |
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| 2005 Chevrolet Tornado 1.8L Hesitation, Cuts out VIN: 93CXM80R85 the car does not have any power at all. it feels as if the timing was off. i have checked the timing marks and they are perfectly aligned i also checked that keys and keyways where not damaged or had any play. the car starts right up and it does not miss. it i... |
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| 2005 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Stall, MIL Lamp on VIN: 1GNDS13S35 This vehicle came in after excessive overheating. Replaced cylinder head w/rebuilt unit. Replaced water pump, cam phaser, cam phaser solenoid, cam sensor, crank position sensor, and reflashed Engine Computer. Removed valve cover and rechecked timing. Verified ... Trouble codes: P0017 |
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| 2006 Chevrolet Silverado 2500 HD LS 6.6L Cuts out, MIL Lamp on VIN: 1GBJC34276 i spoke to a very nice guy at idfix and he try to help me but with no sucess. He ask for the balance rate on the injectors they where in spec.i also did the bottle test on the return line with no fuel coming to the bottle,replace injectoin pump(tsb)replace fue... Trouble codes: P0087 |
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| 2008 Chevrolet Silverado 1500 WT 4.3L Mechanical VIN: 1GCEK14X48 Truck has always had the same driver since new. Front brakes seem to be wearing out prematurely. First set of pads lasted 27k second set 22k third time 14k. The first two times brakes were replaced with original oem brake pads. Has anyone had any problems with... |
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| 1995 GMC Jimmy SLE 4.3L Hesitation, Surge, MIL Lamp on VIN: 1GKDT13W4S This vehicle runs perfect till hot then hesitates and runs rough and bucks.I see a slight fluctuation in the tach at idle hot only.Cleared all codes and code P0341 REPEATED.I've relocated the harness from any RFI.Has anyone ran into this code or fault? Thanks ... Trouble codes: P0341 (Cam sensor Magnetic interferance), P1441 (Evap), P0337 (Cranks sensor circuit fault), P1133 (Oxygen sensor B1 heater circuit), P0141 (Oxygen sensor B1 circuit malfunction) |
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| 1998 Oldsmobile 88 Royale 3.8L a/c VIN: 1G3HN52K5W Hi All, this vehicle had a locked up compressor 6mo ago, system was flushed, compressor (with new aftermarket), accumalor, and orifice tube were replaced that that time. Now vehicle is back for engine replacement (rod bearing bad). A/c was working great before... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Cadillac Seville SLS 4.6L Engine Block VIN: 1G6KS52Y7V Decided to buy a used low mile engine complete, taken apart heads, replace with inserts top and bottom, and rebuild engine complete. still working on this project... Thanks to all the responses. |
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| 2004 Cadillac CTS 3.6L Electronic VIN: 1G6DM57764 Sorry I thought I had closed this one, yes disconnecting the battery did the trick thanks to the help. |
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| 1995 Chevrolet Corvette 5.7L Fuel injector pulse VIN: 1G1YY218XK Thanks guys for the replies and all of your input. Turned out to be a multiple symptom. After installing the new VATS module, the security light functioned normally-- no more flashing while cranking. I still had no injector pulse, so I went back to basics. ... |
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| 1998 Chevrolet Cavalier Z24 2.4L No Start VIN: 1G1JF12T7W WELL I WANT TO THANK THE 5 REPLIES I GOT I FOUND THAT THIER WAS BAD WIRING I CUT THE HARNESS OPEN FOUND BROKEN WIRE TO THE IGNITION MODULE ON THE GROUND SIDE, I REPAIRED IT STILL NO START, FOUND ANOTHER BROKEN WIRE IN THE HARNESS REPAIRED THAT NO START STILL. ... |
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| 2002 Chevrolet Prizm 1.8L Stall VIN: 1Y1SK528X2 Thank you James from New York, I narrowed it down to being a bad ground/connection behind the instrument cluster. Thank you SO MUCH!!! I love a "seen it before" response!! Trouble codes: P0335, P0340. |
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| 2004 Chevrolet Trailblazer LS 4.2L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1GNDT13514 Well, I believe I found the major issue with this truck. I found one of the wires was broken that feed the VVT solenoid so I spliced in a new harness and it ran much better but even I could tell that it was not perfect. After the splice, the solenoid worked wi... Trouble codes: P0014, P0016. |
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| 2007 Chevrolet Colorado LS 3.7L blower moter VIN: 1GBDS14E77 ground on right finder behind batter was making blower not work some times thanks |
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| 2007 Chevrolet Silverado 2500 HD Classic LS 6.6L MIL Lamp on VIN: 1GCHK24D57 Sorry for the long wait, The truck is now fixed. After reading the replies i was sure i had to tear down and inspect the turbo, But i called the dealer with the VIN and found it was still under the powertrain warranty. Sent truck to dealer and they confirmed m... Trouble codes: P003A. |
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| 1990 Oldsmobile Cutlass Calais S 2.5L No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1G3AJ54N5L thanks to all this car had a bad injector causin the computer driver code.and causing the computer to disengage totally,car wont start or starts and runs and after 10 minutes or so shuts off when computer get hot again,the injector fix this problem but the ... Trouble codes: 26 (Quad driver). |
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| 1995 Oldsmobile Aurora 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G3GR62C0S Thank you all for your time and help! The Fix for the sail-on problem was to relearn the idle.. the reason it would not learn was that the Coolant level sensor was not connected. When I went back and looked over the scan data, I saw that the coolant level sen... Trouble codes: 80 (TP Sensor / idle learn incomplete). |
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| 2007 Saturn Ion-2 2.2L MIL Lamp on VIN: 1G8AJ55F77 Thanks to everybody that reponsed especially Yvon [...] who send me a detail discription of the procedure. Use my Solus pro, entered all the vehcle info. Under the tittle Functional test, you will see CKP relearn there. The procedure looks complicated in w... Trouble codes: P0315. |
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