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Prev Professional Automotive Repair Technical Discussions for June 26, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2006 Buick Rendezvous CX 3.5L Surge, Low Power VIN: 3G5DO3L76S
HELP! I have a Rendezvoux giving me quite a headache. Problem is intermittent... Only happens with hot engine, usually after driving 10 miles or more. Scanner indicates normal timing advance when engine is running good (50mph, 50% throttle = 25 degrees timing)...
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1999 Cadillac Seville STS 4.6L almost all electrical VIN: 1G6KY5495X
first i want to thank everyone ahead of time for their help and patience. the only working items are the headlights, the seats, the tilt and telescopic wheel, door locks, and the security light. when i turn the key on i have no lights, or gauges except the sec...
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2000 Cadillac DeVille 4.6L Thermostat VIN: 1G6KD54YXY
I can let this vehicle sit and idle all day and it won't overheat.Take it down the road and in about 5 minutes it overheating.Has new thermostat and has been flushed.Has anyone seen this?
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1998 Chevrolet Metro 1.0L MIL Lamp on, Will not idle VIN: 2C1MR2263W
Customer complaint of no idle and after driving 30-40 minutes loosing power and dying. Customer will have to charge battery and then he can drive for 30 more miles. I found vehicle is running rich, short term fuel trim is -20%. You have to press pedal down hal... Trouble codes: P0141 (O2 Heater Circuit Bank 1 Sensor2)
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1999 Chevrolet Express 1500 5.7L Misfire VIN: 1GBFG15RXX
This van seems to misfire intermittently when the conditions are damp. It appears that the wiring repair I have preformed is functioning properly. Has anyone else seen wiring problems on these vans around the pcm area? I have inspected the pcm's wiring connect... Trouble codes: P0307 (cylinder 7 misfire)
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2001 Chevrolet Malibu 3.1L No Start VIN: 1G1NE5ZJ91
have replaced the fuel pump three times. need help
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2001 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J81
Hello everyone, Thank you in advance...I have this 2001 Malibu 3.1 litter towed in the other day with a crank and no start problem. Check fuel pressure--good, check spark--good, check injector pulse--none! car runs when spraying carb cleaner in intake. Fuel p... Trouble codes: B2965 (key in ignition fault), B2960 (passlock cyl data incorrect), B1000 (ECU malfunction), U1128 (loss of IRC communication)
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2006 Chevrolet Cobalt SS 2.0L rough shifting 1st speed VIN: 1G1AP14P46
we're experiencing rough shifting the first time of shifting once the clutch is pressed it shift smooth but the first time of shifting is rough which wasn't the case in the beginning check the repair history below we've used valvoline full synthetic 75-90W in...
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1989 Oldsmobile Cutlass Ciera 2.8L No Start, Poor Idle Quality VIN: 2G3AJ51W1K
Help Please, Customer brought car in for not starting after hot soak.After car sits for several hours it will start and run great.All scan data looks good when running.It has not stalled with me after starting but customer states that at times it will stall a...
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1996 Oldsmobile Cutlass Supreme 3.1L compressor VIN: 1G2WRT5685
I have a 96 olds cutlas with inop a/c, compressor does not turn on, can see with scantool compressor not being camanded on by ecm. a/c request ok, a/c preasure switch 5 volt and reference wires ok. can command compressor on with scan tool, blows cold. ecm will...
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2003 Oldsmobile Bravada 4.2L abs, sir light VIN: 1GHDT13S23
hello, i have a bravada with the abs and sir light coming on intermittantly. there are no dtcs stored in any of the modules. lookin at live data when the problem occurs, both lamps are not commanded on in either module nor the instrument cluster. im using a te...
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1996 Pontiac Firebird Formula 5.7L Poor Idle Quality, Hesitation VIN: 2G2FV32P9T
car came in about a month ago. had intermittant hesitation when trying to kick it down while cruising. had disconnected egr at that time since everything else looked ok and ran fine. replaced egr valve and solenoid with gm parts and tested. seemed to run fine ... Trouble codes: P1810, P1870
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2002 Pontiac Grand Prix GT 3.8L Starting VIN: 1G2WP52K42
vehi1ce fine f0r 2 m0nths came 1n f0r n0 start c0des p1629 theft fue1 enabe-[...] n0 signa1/u1301 c1ass 2 [...]-10w v01ts;a11 new gm parts theft m0du1e was 0n [...] back 0rder;t00k t1me t0 get/has any 0ne e1se have this pr0b1em?bad pcm? bad ign1...
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2006 Pontiac Torrent 3.4L compressor VIN: 2CKDL73FX6
I have a Pontiac that will not engage the ac. On computer scan of the system it lists the compresser disengaged due to anti-stall? The body control computer list engagement when the switch is pressed. Pressure in system is 111psi on high side.Any ideas? Thank...
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Fixes & Summaries for GM
Fix/Summary Answers
1993 Chevrolet K2500 Suburban Silverado 5.7L Mechanical VIN: 1GNGK26K2P
Ok, I think I have fixed this thing. As suggested by almost everyone, I replaced the distributor. I thought about fixing the distributor but it was only a little bit more to replace it with a new unit. The idle is nice and smooth now and the cutting out is all...
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1996 Oldsmobile Cutlass Supreme SL 3.1L tcc VIN: 1G3WH52MXT
I WOULD LIKE TO THANK EVERYONE THAT RESPONDED THE FIX WAS WHAT MOST SUGGESTED WHICH WAS THE TCC ORIFICE WAS MISSING INSTALLED ORIFICE NOW TCC NO LONGER APPLIES IN SECOND GEAR.
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1998 Saturn SL2 1.9L Surge, MIL Lamp on VIN: 1G8ZK5276W
i replaced the icm and the plugs and wires and the light has not come back on. the car drives very well, no more surging thanks to every one that helped Trouble codes: P0341, P0404, P1599, P1624.
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2000 Saturn SL1 1.9L Electronic VIN: 1G8ZH5282Y
I had emails with 10 minutes. You guys are the best. I replaced the upper valve body with a rebuilt and that fixed it. Thanks for all the help. Eric
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