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Professional Automotive Repair Technical Discussions for November 27, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Cadillac Escalade ESV 6.0L battery VIN: 3GYFK66N13 This vehicle has a 150ma draw from the ignition A fuse in the front fuse box. The only schematic I can find is in AllData and it only shows the starter and starter relay on that fuse. Remove fuse draw goes to 11ma. Remove starter relay and draw remains at 150m... |
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| 1995 Chevrolet K1500 5.7L intake VIN: 1GCEK19K7S ok guys, I got this truck in the shop and replace intake gaskets cause of a small corner leak. After i get the truck back together the truck runs like a champ and don't get hot. But it has a very strong odor from the exhaust. It's also turning the bumper green... |
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| 1998 Chevrolet S10 4.3L No Start, Hesitation, Surge, Cuts out, Stall VIN: 1GCDT19X3W Hair puller here !!! truck originally was towed in for crank -no start. found vehicle to have 51 psi koeo, tested voltage and ground to pump module. found to be ok. replaced pump with delco unit, found customer replaced fuel pump 1 week prior to us for this pr... |
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| 2001 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 1HJ5231578 I have this 2001 Suburban that has the code P0446. Being that this code is normally the purge solenoid I replaced it. The code came back. I smoke tested the system and there are not any leaks. The lines do not have any kinks in them. I vacuum tested the system... Trouble codes: P0446 (EVAP system performance) |
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| 2001 Chevrolet Express 3500 5.7L Poor Idle Quality VIN: 1GBJG31R21 we had found that there was an internal trans problem causing the engine to quit at stop signs and when shifted into reverse. replace engine due to a cracked cylinder and trans. we now have a code for high idle when the engine is started, p0507. because the ia... Trouble codes: P0507 (idle too high) |
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| 2001 Chevrolet Silverado 3500 LS 8.1L alternator/battery VIN: 1GCJK39G91 thanks in advance to all who respond. this is my own personal vehicle. on the way to hunting camp we stopped for fuel. engine was shut down during fueling. when restarted, battery warning light on/volt guage showing just above 12V. no prior problems with charg... |
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| 2005 Chevrolet Malibu 2.2L No Start VIN: 1G1ND52F55 we have check everything on this vehicle..from power to ground circuit to computer...everything seems good...the abd part is...wiring doens't match to dealer,mitchell, autodata for th computer...we have even try good pcm just to make sure,it is not the pcm...a... |
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| 2006 Chevrolet HHR LT 2.4L Headlights VIN: 3GNDA23P56 Hello everyone, thanks in advance for your help! This customer says that intermittently the headlights will stay on after the car is shut off. The customer says the only way to get them to go off is to disconnect the battery. I have not been able to recreate t... |
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| 2006 Chevrolet Cobalt LT 2.2L No Start VIN: 1G1AL55F36 We had this 2006 Cobalt Lt that worked fine before the battery went dead over time sitting at a used car dealer. Then the car would sometimes start, and sometimes not start. We have the car here, and have charged the battery fully, left ignition key on for 15 ... |
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| 2008 Chevrolet Silverado 1500 LT 4.8L abs VIN: 1GCEK14C38 looking for assistance on this truck. intermittent abs activation, speedo inop and trans does not shift. abs activation while braking usually at 5mph+/-. intermittently speedo will not read on accel and trans will not shift from 1st gear. trans/speedo operatio... |
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| 2003 GMC Sierra 2500 HD 6.6L No Start VIN: 1GTHK29133 Welcome to my Friday afternoon head-scratcher. Customer reports that about a year ago truck began long start/hard start that they could only resolve by changing filter. At some point that wouldn't start it anymore (engine cold or hot) - so they moved on to eth... |
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| 2003 Saturn Vue 3.0L drivetrain VIN: 5GZCZ63B23 saturn vue came in with a bad vibration after 6o mph.. replaced the center carrior bearing with readuces alot of it but not all. chaned the tires ans brakes and rotors still there. on the lift without the driveshaft on i get a pretty good vibration again at ar... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1992 Buick Century Custom 3.3L Excessive Emissions VIN: 1G4AH54N9N ok, it's fixed, found vacuum hose to canister under hood leaking when car in drive due to broken front motor mount, i was lucky to hear it when it was on the dyno under load,replaced vacuum hose and retest ,nox droped to 200 ppm , pass i wan't to thank every... |
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| 1997 Buick Regal LS 3.8L spedometer, engine VIN: 2G4WB52K9V Thanks to all for your input on this issue. Much to the dismay of my boss who happend to call in sick on the day I pinpointed the problem (he didnt agree that the ignition switch could cause these issues) I tore into the column and found several circuits not s... |
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| 1999 Cadillac DeVille 4.6L over heating VIN: 1G6KS54Y2X Thank you for all the help. It was bad head gaskets. |
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| 1998 Chevrolet Astro 4.3L Starting VIN: 1GCDM19W6W CAR IS STILL NOT FIX WE SENT THE CAR TO THE DEALER 1 WEEK AGO AND THEY HAVE NO IDEA WHAT IS WRONG.I WILL UPDATE THE POST WHEN WE FIX THIS BEAST. THANKS TO ALL 15 TECHS THAT TRY TO HELP RAUS MERCEDES |
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| 1999 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEC13R6X I want to thank all the teck's who responded to my dilema. First of all this was a vortec engine,cyl's 1&3 and 5&7 are on common runner's.The idea that an intake manifold gasket could be the cause did not make sence to me, so I chose not to go that route. The ... Trouble codes: P0300 (Random misfire). |
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| 2003 Chevrolet Impala 3.8L traction control VIN: 2G1WH52KX3 replaced wire harness for abs seems to be ok. hopefully this did the trick thanks to all that responded |
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| 2004 Chevrolet Trailblazer LS 4.2L Cam shaft actuator VIN: 1GNDT13S24 I got this one fixed, As long as you keep tension on the chain in the clock wise position and the flats are up, everything will be ok. Turn the motor over clockwise bring the piston to top dead center with the cam flats up, if the the exhaust cam is off take a... |
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| 1989 Oldsmobile 98 Regency 3.8L No Start, Cuts out VIN: 1G3CX54C8K Many thanks to Boyd, Scott, and Edward for sending me in the right direction. After tap testing and ohming injectors, I went to the ground lug under the ICM. It wasn't corroded as some have seen but I found the PCM ground wire (black/wht tracer)hanging by a ... |
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| 1996 Oldsmobile 88 Royale 3.8L Starting VIN: 1G3HN52K8T Thank you,folks,I received lots of good insight on this one possible t-chain issues,pass key,ecm,ignition module,nobody really hit the nail on the head because the head that should be hit was mine.Ashamed and embarassed I admit that just because I think I can ... |
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| 1999 Oldsmobile Intrigue GL 3.5L Cooling Systems VIN: 1G3WH52H1X The customer did not wish to invest the time and money to accurately determine the problem. The track record on these engines is not very good. Thanks to all of you for your input! |
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| 1997 Pontiac Grand Prix GTP 3.8L Cuts out, Misfire, Poor Fuel Economy VIN: 1G2WP1213V Thanks to all who replied. I thought about all the posts suggesting a fuel contamination issue due to the length of time the vehicle sat in storage. I especially liked the one post that suggested a possible presence of sediment in the end of the fuel rail on... Trouble codes: P0301 (Cylinder 1 missfire), P0303 (Cylinder 3 missfire), P0305 (Cylinder 5 missfire). |
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