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Prev Professional Automotive Repair Technical Discussions for September 19, 2008
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Open Help Requests for GM
Help Request Answers
2000 Cadillac Eldorado ESC 4.6L Engine oil pressure VIN: 1G6EL12Y2Y
Need a little input on this one Cadillac techs. The customer has had all scheduled maintenance done on his Eldorado. Just did an oil change befor a 500 mile trip. When he got home the warning signal and information center were saying low oil pressure. We check...
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2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KS54Y71
after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either Trouble codes: P0405
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1993 Chevrolet Lumina Euro 3.1L No Start VIN: 2G1WN54T1P
battery has been dead, no codes. had no fire or inj. pulse. crank sensor was bad,also wires bad at crank sensor plug. replaced crank sensor and installed new wiring pig tail. also replaced ing. module. when first start to spin over fires, but then fire and inj...
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1994 Chevrolet K1500 5.7L Stall VIN: 2GECK19K1R
truck runs fine with o2 disconnected, connect o2 and system goes extremly rich. o2 readings up to 1000 mv. engine runs rough until finally stalls
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1996 Chevrolet Cavalier 2.2L 2-3 shift VIN: 1G1JC1245T
This car is really giving me a hard time. The vehicle holds 1st gear too long and then shifts fairly hard into 2nd gear. There is no shift to third. When in second, I do have a small amount of engine braking and it never even tries to go to third. I suspected ...
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2002 Chevrolet Corvette Z06 5.7L LF Wheel Speed Sensor VIN: 1G1YY12S92
New customer brings in his Corvette with ABS and traction control light on. The code was c1232 for LF wheel speed sensor. The local Chevy dealer had tried to fix by replacing the hub assy but then removed it and installed the original after the problem persist...
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2007 GMC Yukon SLE 4.8L srs VIN: 1GKFC13C97
Hello,Current i have GMC YUKON from body shop.they replace front impack sensor,driver side air bag,air bag module,left/ right seat belt. After replacement SRS still on,can not be cleared.pull code from SRS module 1.B0016 l.roof rail deployment loop 2.B0023 rig...
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2001 Oldsmobile Bravada 4.3L radiator VIN: 1GHDT13W91
This vehicle will loose about a half gallon of coolant every day. I have pressurized the system to 17 psi, visually inspected the underside looking for leaks or stains resulting from leaks, I have checked the radiator for hydro carbons, and watched the exhaust...
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1997 Pontiac Grand Am GT 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G2NW12M1V
Hi all, thanks in advance for your help. I have a 97 Grand Am with the 3100. I am getting absolutly no MAF reading on my scanner. Both the grams per second, and the voltage is 0.00. I went through the Troubleshooter on the Scanner, and the flow chart on my Mit...
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2002 Pontiac Grand Am SE1 3.4L No Start VIN: 1G2NF52F82
NEED HELP!! I have this 2002 Pontiac that has a junk BCM. Very typical from what I've found. One little problem. GM discontuined them!! The Part number is [...]. Anyone ran into this before?? I got one shipped to me from out of state and low and behold it i...
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2006 Pontiac Grand Prix 3.8L Cuts out VIN: 2G2WP55246
This car is bucking intermitantly when going down the road. When problem occurs rpm drops about 500 rpm and vehicle jerks rpm does not always go right back up. There are no codes present. Problem seems to only occur in third or fourth gear. After trans flush p...
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2000 Saturn SL2 1.9L Mechanical VIN: 1G82K5274Y
this trans came in for a delayed engagement in reverse. we replaced the valve body and now it binds in reverse. we pulled it out and rebuilt it. put it back in and it still binds in reverse. we pulled it out again and we retourqed the 15/16 nut. we went throug...
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2002 Saturn L200 2.2L MIL Lamp on VIN: 1G8JU54F32
My question is the fuel pressure sensor in the fuel tank has a voltage of 1.67 with cap off.My spec's say it should be 2.35-2.85.Is this correct before I spend 89.00 on this part?If the spec's are correct I found my problem and thankes for the input it's alway... Trouble codes: P440
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Skylark Limited 2.4L low/no braking force to front VIN: 1G4NJ52TXV
in a effort to keep my rating good, i will summarize the responses to this request. most said modis or basic scanner would release the abs module gears to perform repair, they do not. others offered basic bleeding instructions and hints for diagnosing fluid su...
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2001 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52K71
I am waiting for this vehicle to come back in, we are going to replace the aftermarket cat with another aftermarket cat as the owner dosnt want the cost of a manufactures cat. After we get it installed i will let use know how we made out. Sorry for being so lo... Trouble codes: P133.
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2002 Cadillac DeVille DTS 4.6L theft system VIN: 1G6KF57912
I checked the ground at the battery and it is good.I would like to thank everyone for the replies but, we are going to send the car to the dealer because we don't want to waste to much time and missdiagnose it.
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1998 Chevrolet C1500 Cheyenne 4.3L No Start, Cuts out VIN: 1GCEC14W5W
thank you everyone who replied.almost everyone supplied us with the right fix.a new fuel pump installed made the truck run like new.the spec on fuel pressure is critical and a few psi DOES MATTER.thanks again. jim
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2002 Chevrolet Suburban 2500 LT 6.0L Hesitation, Cuts out VIN: 3GNGK26U62
Well this has been one of those head bonker kinda fixes. I was certain that it had a plugged exhaust from the get go but our exhaust shop said it was fine. So then we waste a ton of time on the project including all of yours, so sorry for the trouble but it wa...
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2006 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on, REDUCED POWER VIN: 1GCHK23U76
I don't know if the problem is fixed because the customer is in grape harvest and hasn't been back although he probably would have adleast called because he is a regular customer. I changed the battery because it load tested marginal. I also followed the multi... Trouble codes: P1516 (throttle actuator control module), P0053 (ho2s heater resistance b1s1), P0054 (ho2s heater resistance b1s2), P0059 (ho2s heater resistance b2s1), P0060 (ho2s heater resistance b2s2).
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1987 GMC S15 Gypsy 2.8L Mechanical VIN: 1GTDT14R1H
Thanks to all that replied. First it was a 3.4 not a 4.3. I am not sure when it came out but GM performance parts released this 3.4 conversion (part # [...]) for the 2.8 blazers and pick-ups. It appears to be just a beefed-up 2.8. Numerous 2.8 parts fit on...
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2005 GMC Yukon Denali 6.0L traction control VIN: 1GKEK63U15
The Problem was : Bulletin No.: 03-05-25-007C Date: May 16, 2006 TECHNICAL Subject: Antilock Brake (ABS) Activation At Low Speeds (Clean Wheel Speed Sensor Mounting Surface) Models: 2002-2006 Cadillac Escalade, Escalade EXT 2003-2006 Cadillac Escalade ESV ...
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2003 Oldsmobile Alero GL 2.2L ignition VIN: 1G3NL52F13
Gentlemen We have this car fixed. The customer left with the car shortly after the repair and just came back, hence the longer than normal fix reply. As I stated before our first focus was on the passkey because of the high failure rate of this system. Howe...
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1995 Saturn SL1 1.9L engine VIN: 1G8ZG5282S
WELL TRIED ALL OF THE SHORT CUTS WITH THE TOP CLEANER AND LIQUID WRENCH BUT THEY DID NOT WORK SO I HAD TO TEAR DOWN THE ENGINE AND RE-RING IT NOT FINISHED WITH THE VEHICLE YET BUT YES THE RINGS WHERE STUCK TO THE PISTONS ALMOST READY TO FIRE THIS VEHICLE UP NE...
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