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Professional Automotive Repair Technical Discussions for July 20, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Cadillac CTS 3.2L No Start, MIL Lamp on VIN: 1G6DR57M13 Hello, techs My customer's caddilac cts was towed in my garage with no start ,could not shift from park and could not key out from ignition cylinder. I checked all related wiring harness(splices, power, ground...) I could not find any.. So, I decided change e... Trouble codes: P0318 (Rough load sensor), P1629 (Anti theft signal start enable), U1040 (Abs/tcs communication), U1153 (Hvac communication), U1192 (Vtd communication) |
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| 1998 Chevrolet C2500 Cheyenne 5.7L Theft module VIN: 1GCGC24R4W does anyone know if the anti theft module on these trucks has to be flashed or is it plug and play with a learn procedure in vehicle |
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| 1998 Chevrolet C3500 Silverado 5.7L Hesitation, Surge, MIL Lamp on I have received a 1998 c3500 pick up 5.7 vortec. Codes from vech were po171 po174 freeze frame was at around 30 mph light load. I tested fuel pressure at idle 55 psi, wot 61 psi, and koeo 60 psi. I have smoked the intake and found no leaks , i have also spraye... Trouble codes: P0171, P0174 |
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| 2004 Chevrolet Impala 3.4L Poor Idle Quality, Misfire VIN: 2G1WF52E34 Hello, I haven't had a GM kick my arse like this in a while. This has a persistant but intermittent idle miss indicated on #2 cylinder but throws only a P0300 "random miss"(does it 70% of the time at idle. NO vacuum leaks using smoke machine. All new ignitio... Trouble codes: P0300 (Random misfire) |
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| 2009 Chevrolet Silverado 1500 WT 4.8L Axle Seals VIN: 3GCEK13C99 I am having a problem trying to remove the rear axle lock clips on this Chevy Truck. It has a Eaton style locking differential and I cannot seem to push the axle shafts in far enough to remove the lock clip. I have removed the center pin but there is a block i... |
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| 2007 Pontiac Grand Prix 3.8L low beam headlamps VIN: 2G2WP55207 the low beams on this car will intermittently come on while sitting and key is removed. the tail lights do not come on, we have limited scanner ability with this car. origanly a couple of months ago low beams did not work at all customer replaced relay and all... |
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| 2000 Saturn LS2 3.0L No Start VIN: 1G8JW52R3Y This Saturn will not start no communication with the pcm and no fuel pressure the throttle body is clicking rapidly if I disconnect the throttle body communication is restored to the pcm and so is fuel pressure I replaced the throttle body with a used unit and... |
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| 2004 Saturn L300 3 3.0L ignition VIN: 1G8JL54R54 hello tecs,i have this 2004 saturn l 300 that has misfire codes po300 303 301 302 305 306 codes stored,clear codes and just po300 comes back,look at misfire data #2 3 6 show intermitant misfire ,some times no misfire at all,runs great,i think it may have bad i... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14T74 Confirming what I thought, I will recommend to the customer if he wants the ck engine lite not to reappear, purchase a stock airbox setup- if not, live with the lite, chances are no harm is being done. I believe the PCM is seeing a higher airflow out of the no... Trouble codes: P0101 (maf circuit range performance). |
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| 2005 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E15 DUE TO THE LARGE AMOUNT OF IT HAS 250K ON THE ENGINE AND THE FACT THAT i HAVE LOTS OF NEW PARTS INSTALLED I ADVISED THE CUSTOMER THAT IT MAY JUST BE DUE TO BEING A LITTLE WORN OUT. Trouble codes: P0300. |
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| 2008 Chevrolet Trailblazer LT 4.2L abs VIN: 1GNDS13S08 well i got the air out of the system as most of you had sugessted,one of the things i done was i went to the abs motor and broke the lines going to the rear calibers and proceeded to the rear i started getting some pressure i then used the automated bleed on ... |
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| 2004 GMC Sonoma SLS 4.3L Pinion Shaft VIN: 1GTDT13X84 Even though the fix is in, still waiting on parts. Hard to believe, but the warranty company is covering full replacement of differential innards after we cut it apart to get it out. One spider gear was galled on to the pin, as stated by many of the responses.... |
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