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Prev Professional Automotive Repair Technical Discussions for May 13, 2010
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Open Help Requests for GM
Help Request Answers
1988 Buick Regal Limited 2.8L Cuts out, Stall VIN: 2G4WD14W0J
Hi guys. I have this buick that i posted a few weeks ago, and closed it with a fix thinking it was indeed fixed. The car ran fine, no symptoms for about two weeks, then came back for same problem. The issue is that it stalls while at idle, it will stall when y...
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1998 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52MZW
Tried moving wires, replaced plugs wires and one coil pack that looked cracked, replaced cam sensor, can't find any tsb's any help would be appreciated. car runs great, customer only complains about light going on and off Trouble codes: P0341
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1998 Buick Regal LS 3.8L Pedal VIN: 2G4WB52K4W
When you are on your brakes slowing the car down the pedal kicks back at you like there is a thick spot on the rotors. Front rotors were pulled and turned and we put new front pads on and it did not seem to change anything. The rears are a non-vented rotor a...
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2002 Buick Rendezvous CX 3.4L Cruise VIN: 3G5DA03EX2
vehicle has inop cruise, had intermittent operation for a while then finally totally inop, also had other problems that related to the pcm, replaced pcm,fixed un related problems but no effect on cruise, flow chart for cruise control points at pcm but all test...
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2006 Cadillac SRX 3.6L Steering VIN: 1GYEE37160
Vehicle has been in the shop a couple times for a whining coming from the steering pump.Everytime customer drops off car the noise isn't there.She pulled into shop this morning and I could hear a whine from pump just off of idle.She states the whine is obnoxio...
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1997 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDX03E4V
This thing has a mind of its own. The customer took it after the original repair and came back about 3 weeks later with both the p0300 and p1870 code. So we changed the valve body just to be sure we didnt have a problem with the trans. And we just cleared the ... Trouble codes: P0300, P1870
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2000 Chevrolet Tahoe 5.7L tires VIN: 1GNEC13R0X
I've got a vibration at around 62 mph and seems worse if I have my foot accelerating a little.The vechicle has new tires which have been rotated and balanced twice and vibration does not follow the tires.The drive shaft has been rototed 180 and also sent out a...
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2002 Chevrolet Suburban 1500 LT 5.3L parking brake VIN: 1GNFG16Z52
truck has no adjuster nuts on main cable and alda quotes have to pump e-brake pedal 3 times and its is adjusted. I tried this and it has a lot of free play in the cable, the pedal goes to the floor and truck won't hold. alda has a procedure to install a screw ...
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2003 Chevrolet Corvette 50th Anniversary Edition 5.7L MIL Lamp on VIN: 1G1YY22G53
This 2003 Corvette was brought to my shop this morning. The owners complaint is that the mil comes on at times and flashes at times. The only code in the system is a P0300, did check in all available fail records as well. In the stall, at idle and under a load... Trouble codes: P0300 (random misfire)
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2006 Chevrolet Corvette 6.0L mesage center VIN: 1G1YY26U87
Hello Chevy techs,have this 2006 corvette,with a message display of "service vehicle soon" (not oil change related that shows 87 percent)owners manual says it is some sort of electrical problem,the only problem I have with this vehicle at this time is a/c cond...
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1989 Oldsmobile Cutlass Ciera 2.8L No Start, Stall VIN: 2G3AJ51W2K
problem was intermitten would stall on hard accel . also was hard to start at times . now wont start . any help would be helpfull i am at a lose where to go next ,tried new ing mod.new ecm ck all basics .everything looks good .what am i missing? thanks
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Park Avenue 3.8L No Start VIN: 1G4CW53L0N
Thank you all, I am leaning towards a couple of you that mentioned there may be a problem after the module now such as a bad MAF or some problem with PCM 5v wire going to these sensors/modules. I will be back on it this weekend to let you know what I find afte...
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2000 Buick LeSabre Custom 3.8L Door Locks VIN: 1G4HP54KXY
Well the success monkey has arrived! We again did a class II diagnostic check and all the modules that were working reported. We went through the list of possible modules on the vehicle and found that the Rear Integration Module was in the vehicle but not re...
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2000 Buick LeSabre Custom 3.8L Fuel Guage VIN: 1G4HP54K8Y
Waiting for the car to return. Thanks to all who replied. Access panel is in the trunk for fuel pump and sender. Sender is available separately. Thanks to Jed, we will try cycling the key on/off when car returns for retest. Thanks
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2004 Cadillac SRX 3.6L Flexplate VIN: 1GYEE63754
Thank you, gentlemen, for your input. The customer did not leave the vehicle for evaluation at this time. I imagine that they will contact me for that purpose within another few weeks. Once I get the car up on the lift and determine where the noise is coming...
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1990 Chevrolet K1500 Silverado 5.0L Excessive Emissions, No Start, Poor Idle Quality VIN: 1GTDK14K3L
have this truck fixed. it turned out to be a broken intake spring. this would cause huge vacuum leak . pcm detects this and starts dumping in fuel because it thinks the engine is running lean.
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1997 Chevrolet K1500 Suburban LS 5.7L No Start VIN: 1GNFK16R0V
Short in heater circuit for bank 1 o2 sensor cause engine one fuse failure replaced quick dis connect for intake heater hose and o2 sensor. Special thanks to all that replied and SGT Automotive in Rockford for helping the electronically challenged. Trouble codes: P0340.
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2003 Chevrolet Silverado 2500 HD LS 6.6L driver information in dash VIN: 1GCHK29183
It appears that the problem is with the dash cluster. The owner intends to repair at a later date due to finances. Thanks to all who replied.
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2003 Chevrolet Avalanche 1500 Z71 5.3L Heat VIN: 3GNEK13T33
After reading all your posts (again thanks to all that responded). I tried to explain to the customer that this was normal operation for the vehicle..and also somewhat verified it with the thermometer in the vent to explain that on full heat [...] the vehi...
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2004 Chevrolet SSR 5.3L Door Locks,Windows, Roof Top, And Lower Gauges VIN: 1GCES14P74
FOUND LOW VOLTAGE AT START UP. STARTER WAS PULLING BATTERY DOWN TO 8.4 VOLTS AND HAD A BAD GROUND WIRE GOING TO BODY FROM ENGINE IN REAR FOUND BOLT LOOSE AND MELTED . COMPONETS WERE RESETTING AND SPIKING THE MODULES.FIXED GROUND IN ENGINE COMPARTMENT AND REPLA...
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2001 Pontiac Grand Prix GT 3.8L Not Specified VIN: 1G2WP52K81
In response to query of membership regarding inop. ABS,Trac. control.Most likely cause from most replies, regarded broken wiring(possibly inside the outer insulation making it virtually impossible to detect visually) to one or more of the front wheel speed sen...
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2003 Pontiac Vibe 1.8L rear noise VIN: 5Y2SL62833
Thank you for all of your help. I turned the drums and lubed the backing plates. After adjusting the shoes, I drove vehicle and noise was gone. Customer, put 50 miles on it last night and is very pleased. Thanks for the suggestions!!!
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2003 Pontiac Grand Am SE 3.4L Cuts out, Stall VIN: 1G2NF52E8C
THANKS AGAIN TO ALL WHO REPLIED. IT WAS THE CRSNK SENSOR WIRING HARNESS THE WHOLE TIME. EVERY TIME I CHECKED THE CRANK SENSOR IT WOUR CHECK OUT OK AND THE CIRCUIT WIRING ALONG WITH IT. I FINALLY PULLED THE WHOLE LOOM OUT AND FOUND EXPOSED WIRING THE RAN UNDER ...
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