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Professional Automotive Repair Technical Discussions for February 13, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Buick LaCrosse CX 3.8L Mechanical VIN: 2G4WC58216 we change oil in this car every 3000 miles with syn blend oil now on this last change the car came in almost 2 quats low |
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| 1994 Cadillac Fleetwood 5.7L Poor Fuel Economy VIN: 1G6DW52P8R This is the bosses car and he said that for some time now he is only getting 15- 16 mpg and he used to get around 21-22 mpg. Process the scan data and the blm bank 1 runs around 111-116 blm bank 2 runs around 120-122. The fuel integrater is running 126-130 on ... |
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| 2003 Chevrolet Trailblazer North Face 4.2L Poor Idle Quality, MIL Lamp on, Will not shift VIN: 1GNDT13S63 This vehicle came into our shop running well with the head lamps inop. Found HDM relay defective by swapping cooling fan relay with it. Customer was going to return to have relay replaced the next day. Swapped cooling fan relay back to its original position. W... Trouble codes: P1512 (Min throttle pos not learned), P1682 (Ignition sw ckt fault) |
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| 2008 Chevrolet Silverado 1500 WT 4.3L Tcc Solenoid VIN: 1GCEC14X98 Vehicle will set code p2769 at different conditions mostly on initialy take off ,when code occures 1st to second shift very hard and line pressure goes to max.gm has many harness problems at ebrake pedal and floor boad -checked all these and found no shorts or... |
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| 2009 Chevrolet Impala LS 3.5L rear defogger VIN: 2G1WB57K99 The rear defogger will not work.It has power coming out of the fuse box when turned on.I know i have a break between fuse box and rear window.I have a gm and alldata wire diag but can not find where it runs unless i start to trace wire from fuse box.Do these h... |
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| 1999 GMC K1500 Suburban SLE 5.7L No Start, Poor Idle Quality, Hesitation, Cuts out, Misfire, no cold start VIN: 3GKFK16RXX thats it.. gotta go for help on this one...customer replaced his own starter for bad bendix.. after that it would not start.. turn over fine..he worked on it replaced the fuel pressure regulator and said it back fired so bad the black box on the intake shatter... |
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| 2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23264 this truck was sent to me after the above repair was done. the dealer told the r/o that they were unable to find anything wrong.we first confirmed correct glow plugs were used, they were. what happens is the glow plug cycle is over in two or less seconds. load... Trouble codes: B1440, B2961, U1074, U0101 |
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| 2002 Oldsmobile Alero GL 3.4L air bag VIN: 1G3NL52E32 My niece rear ended someone hard enough to deploy the air bags. I got 2 replacements from a car with a bad motor. Same year, make, and model. I know they have an accelerometer under the pass seat that senses decel and deploys the bags. When I put in the new ba... |
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| 2004 Pontiac Grand Prix GT1 3.8L No Start, Cuts out, Stall VIN: 2G2WP52294 Hello group, thanks inadvance for any help I may receive. I have this pontiac driving us a little batty. Vehicle will start and drive normal(not for long) and just quit. Pull over and wait a couple minutes and go on your way, and the cycle repeats. Does not st... |
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| 2006 Pontiac G6 2.4L drivabillity VIN: 1G2ZF55B46 car came in with drivability complaint scaned and code b2aaa and b2a00 p0171 po171 is lean o2 reading but what are the others? |
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| 2002 Saturn L200 2.2L exhaust VIN: 1G8JU54F22 Car has an exhaust ratteling sound being resinated all the way through , ive banged on the exhaust system with no results. All is quite. When idling, you can here a rythmic rattle pronoced at the flange and on down. Customer says it goes away after driving it ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick LeSabre Limited 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G4HR52L4S First of all. Thanks to all of you who took the time to read and respong to my post. Most of you were right on. It was the PCM. I was pretty sure that was what it was from the start, but the boss wasn't buying it because the one that was in had just been r... Trouble codes: P0341 (cam/crank error). |
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| 2006 Buick Rainier CXL 4.2L tires, transfer case? VIN: 5GADT13S66 Motor encoder assembly was bad many of you touched on that I changed the fluid first before posting with no help data looked normal bench tested the motor the first time I removed it and it worked both directions truck drove perfect with motor encoder assm. re... |
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| 2000 Cadillac DeVille DHS 4.6L Dash/cluster/HVAC display VIN: 1G6KE57Y3Y This one is confirmed fixed. We send the cluster out to have it rebuilt. Got it back and plugged it in and all is well. There were no details as to what they fixed but all is well with the vehicle now. Thanks for the reply's guys!! |
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| 2002 Chevrolet Trailblazer LS 4.2L No Start VIN: 1GNDT13SX2 SORRY TOOK SO LONG, THROTTLE BODY WAS THE PROBLEM. ACCORDING TO IDENTIFIX, WHEN CODE P1523 SET IT DISABLES IGNITION SYSTEM. WHEN THE PROBLEM OCCURRED, THAT CODE WAS THERE, EVEN AFTER THE CODE WAS CLEARED. I DID REPLACE THE TEMP. SENSOR, I DON'T THINK THAT WAS ... Trouble codes: P1523 (Throttle set position). |
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| 2004 Chevrolet Silverado 1500 4.8L powersteering assist VIN: 1GCEK19V74 power steering system had contamination from previous pump , had to remove pressure control valve and flush the system several times to resolve the issue |
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| 2007 Chevrolet Cobalt LS 2.2L Cooling Systems VIN: 1G1AK15F47 Thanks to everyone who helped. Always remember the basics, and dont always count on customer. The cooling system was working as designed. |
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| 2006 GMC Yukon Denali 6.0L 1-2 Shift VIN: 1GKEK63U16 Thank you all for the great response!! We had 18 responses what a great organization. An OE throttle body was replaced, the vehicle has been driver 200 Miles and there has been no further issues. Customer opted to purchase an OE part #[...] for $556.60. To... |
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| 2004 Pontiac Grand Prix GT2 3.8L No Start, Stall VIN: 2G2WS52244 Sorry about the delay! The problem was the ignition module connector. We put it on, the customer drove it for two weeks and said all is well! We are NOT sure that the no crank problem is fixed. Thank you for all of the replies! Trouble codes: U1096. |
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