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Prev Professional Automotive Repair Technical Discussions for May 11, 2012
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Help Request Answers
2001 Buick Century Custom 3.1L Oil gauge VIN: 2G4WS52JX1
We have this buick that has oil gauge built into info part of cluster, it bounces around from 32 to 0 we tried a new sender and that did nothing. We put a manule gauge and it reads a steady 32 psi. It looks like the sender sends a signal to the pcm and then to...
2006 Cadillac CTS 2.8L 2-1 shift 3-2 shift VIN: 1G6DM57T96
While driving this vehicle it has extremely harsh downshifts at all speeds.. You let off the gas and it downshifts savagely... Same codes as when it came in and doing the exact same thing before it was repaired... Replaced mlp, rebuilt trans with epc and conve...
2003 Chevrolet Impala 3.4L Stall VIN: 2G1WF52E33
Vehicle came in complaint of hard to start and stalling. Found connector to TPS damaged. Repaired and vehicle now starts and runs good. Problem is it will occasionally stall, always starts right back up. It does not set any codes when stalling. Monitoring Pids... Trouble codes: P0122 (TPS circuit out of range), P1122 (TPS circuit low)
2004 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z14
Vehicle back now with a p0332 knock sensor code. I did the flow chart test. everything tested good. So i took the intake back off to look at sensors themselves. What i found is that the back senors was rusty. I did this myself so i know that the sensor was rep... Trouble codes: P0332
2008 Chevrolet Impala LT 3.5L dome lamp VIN: 2G1WT58KX8
Here goes, I have a 2008 Impala in the shop right now that has been diagnosed by dealer to have had a bad door ajar switch. I replaced the switch with a OE switch assy just a few minutes ago and the problem persists. Customers main concern is that dome lamp st...
1997 Geo Metro 1.0L Cuts out VIN: 2C1MR2265V
This vehicle ,after warm accelerating at 55 if I decelerate and than just start to push back on the gas pedal .The Geo will lose voltage to the injector,after you coast a little bit to about 45 mph voltage will kick back in to the injector.The car idles fine.I...
1998 GMC Jimmy Envoy 4.3L security VIN: 1GKDT13W5W
thanks in advance for your help. i just put a heater core in this truck and after putting back together it will not light on steady all the time.key on or key off. tried relearn will not reset light stays on steady.also cannot comm. with bcm but...
2008 Saturn Astra XE 1.8L Ipc VIN: W08AR67158
GM techs I need a huge favor. I'm trying to program a new IPC in a 08 Saturn Astra. When I endeavored to program it like any other GM module (Iv'e done a couple hundred GM modues) I was prompted to enter the security code, mileage and chose Miles or Km. Then i...

Fixes & Summaries for GM
Fix/Summary Answers
1993 Chevrolet C1500 Cheyenne 4.3L warm air VIN: 2GCEC19Z9P
Thank you to all that replied, when I removed the lines to clean them and replace the orfice tube I inadvertantly put the lines on backwards at the condensor. yeah I know... call me what you want. and for all the replies I got about my gauges, they work fine. ...
2000 Chevrolet Express 3500 5.7L Power steering VIN: 1GBHG31R7Y
A few said change the pump again, so after messing with the valve on the back of the pump I installed another AC Delco reman. It fixed the problem but a few others said they are not very good and to install a new pump and not a reman. Now Im worried I'll have...
2007 Chevrolet Tahoe LTZ 5.3L Misfire, MIL Lamp on, tick noise VIN: 1GNFK13027
Read the repise- thanks guys, with the miss at idle and positive lifter noise i Talked to customer and we decided it was probably a bad lifter or cam as some of the replies mentioned. Since the truck had 100,200 miles it was just out of warranty so the dealer ... Trouble codes: P0300.
2002 Saturn Vue 3.0L No Start VIN: 5GZCZ63BX2
well thanks to everyone that repied. had to send to the dealer to have bcm installed and programmed. just our luck that it went out on us. glad to see not a common problem but suggest to be carefull on these fine autos. Trouble codes: P1629, U2107.
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