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Prev Professional Automotive Repair Technical Discussions for December 12, 2013
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Open Help Requests for GM
Help Request Answers
2005 Buick LaCrosse CX 3.8L No Start VIN: 2G4WC53205
Car was towed in. Customer said it died going down the highway. Scan checked no codes, checked spark and fuel pressure had spark on all six cylinders, had no fuel pressure, checked voltage thru the fuel pump relay had voltage, replaced the fuel pump assm, got ...
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1994 Chevrolet Lumina Euro 3.1L Heater Core VIN: 2G1WN14T4R
So I am working on my own car and having a hail of a time finding a heater core like the one that I have taken out? I am hoping someone here may have run across this before since I didn't work on these cars on a daily basis as have other techs. I have tried ...
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1995 Chevrolet Corvette 5.7L Injectors VIN: 1G1YY32P8S
The vehicle was driven in to us and the customer stated that it started every time but when he stopped for a couple of hours, the vehicle failed to start. When he went to start it the next morning, it started. The custmer has had every electricle part changed ...
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1996 Chevrolet Lumina LS 3.4L Poor Idle Quality, Stall VIN: 2G1WN52X6T
Hey all you GM guru's. I have a 3.4L DOHC Lumina that is throwing me for a loop. I apologize if i missed some information you may need as this is my first time ever posting a question. I have never heard the car run prior to making any repairs. of course the ...
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2001 Chevrolet Blazer LS 4.3L ABS Module VIN: 1GNDT13W91
Has codes C0265, C0245, C0246, C0251, C0242, C0252, C0241 set in memory. When the vehicle is coming to a stop at the very end the pedal pulsates like an abs brake engagement. Service brakes are all fine. I am thinking it is the EBCM but have also been told tha...
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2002 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52E82
Car was next to a tree that was struck by lightening & would not start. After checking it out, I recommended a PCM replacement. A used one was installed by me by then reprogrammed by someone else. Car keeps setting P0336 code. I have gone through GM's troubles... Trouble codes: P0336
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2005 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEC14X75
The customer towed this one in. He said the truck made a loud noise and stalled like it ran out of gas while cruising. I confirmed the no start and heard the fuel pump engage. I tried to pull codes, but had to replace the cigar lighter fuse before I could. The...
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2006 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT55K86
Hi everyone, I could use your help on this one. The customer came in with the MIL on. He had replaced the vent solenoid already and the light came back on. We tested the system for leaks using smoke with the vent valve shut. I can command it shut with a scan t... Trouble codes: P0449 (Evaporative emission vent solenoid control circuit), P0455 (Evaporative emissions large leak)
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2004 GMC Envoy SLE 4.2L Rear wiper motor VIN: 1GKDT13S84
The motor does not work from rear wiper switch, Tested wiring to motor, orange wire is for supplied ground. Have done motor test Yes It does run!! Anyone had this problem before? Thanks Len
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2005 GMC Sierra 1500 SLE 5.3L lighting VIN: 2GTEK19BX5
This truck in particular has the vin B 5.3L and has a Generator Battery Contol Module. Original alternator tested perfectly but intermittently the lights will fluctuate like the regulator is shot. Problem occured primarily when held at 2000rpm. Replaced the al...
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2002 Saturn Vue 3.0L Engine VIN: 5GZCZ63B02
Hello Everyone,once again I need your help.This unit came in our shop one year ago for bad oil leaks at timing belt area,at that time I cleaned the engine really good and checked for oil leak,I kept the car for almost a week to monitor for leaks but no oil lea...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade 6.0L Stability VIN: 1GYEK63NX2
Thank everyone for helping. Replace new RTD module and then recalibrate it and it seem to be fix. Thank again and have a happy Hoilday!
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2003 Cadillac CTS 3.2L starter VIN: 1G6DM57N53
Thanx for all your help, customer decided it was time to trade car in. Come to find out, problem has been happening for years. Tranny also not right, very week in low gear. All components tested good, all parts were GM, this one is down the road!
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2008 Cadillac CTS 3.6L Misfire, MIL Lamp on VIN: 1G6DT57V98
This was a tough one. After acquiring help from Identifix I believe this one is fixed. As I stated before this one had been to the dealer 4 times before. I Checked MAF wiring, Cats, Vacuum, Smoked Intake. no apparent signs to explain running issues. I did noti... Trouble codes: P0101, P0304, P0300 (misfire).
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2011 Chevrolet Silverado 1500 LT 4.8L power steering VIN: 1GCNKPEA4B
Thanks to all who replied, Truck is fixed, I had trouble determining what was at fault. I even spoke with A1 cardone and federal mogual. I could not find specs for the pressure testing. I removed the return hose from the cooler and flushed to no avail. I bypas...
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1997 Oldsmobile Achieva SL 2.4L abs VIN: 1G3NL52T2V
Ok I am happy to say this car is fixed customer has been driving more than a week with no ABS light! The information I found explained how the code sets. When the car starts and abs runs its check it rehomes the motor by running the three motors in the motor p...
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2000 Saturn SL2 1.9L Reverse VIN: 1G8ZK527XY
First of all I want to thank everyone who replied. The consensus was a fault in the valve body, and pin pointing the cause of the failure, (obligated valve port, broken spring). The local dealer wanted $$$ for the part. I found several on Ebay. Fortunately the...
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