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Prev Professional Automotive Repair Technical Discussions for April 20, 2012
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1970 Buick Skylark 7.5L Turbo 400
My personal car, 70 Buick Skylark, 489 BBC approx. 700 HP, Art Carr Turbo 400, reverse manual valve body with trans brake, 4.30 gear 9 inch rear. Went to the drag strip (1/8 mile) last weekend, very first pass. 1st gear OK, shifted into 2nd OK ready to shift i...
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2001 Buick Park Avenue 3.8L Poor Idle Quality, Hesitation, Cuts out VIN: 1G4CW54K41
Customer brought vehicle in for a ck eng lt. After scanning a P0102 showed up did some cks and replaced the sensor. He also said the car would hesitate at times when accelerating from a stop. After the MAF replace I drove it and felt the cutout. When I accel f...
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2003 Cadillac CTS 3.2L Battery Discharging VIN: 1G6DM57N73
The following modules stay "running": 1. Driver door module 2. Trunk door release 3. Interior Lamp 4. Amplifier 5. Audio The following codes are present: 1. P856 2. P318 3. B3832 4. B1327 5. U1301 6. U1040 THANKS FOR YOUR HELP IN ADVANCE!
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2007 Cadillac Escalade ESV 6.2L instument clustetr
this vehicle has an inoperative instrument cluster.none of the gauges or backlighting are working.the only sign of life is the gauge needles are dimly flashing.have verified both the powers and ground to cluster.will not communicate with my genisys.scanner doe...
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2007 GMC Sierra 2500 HD SLT 6.0L MIL Lamp on VIN: 1GTHK29K57
This is a nightmare truck. Truck will divert to transmission limp mode and gauges will flutter when problem occours. PCM, TCM, BCM, ABS all loose communication. I have not been able to duplicate the situation in the shop. Problem will happen sometimes once a w... Trouble codes: P0575, P0700, P2544, U0101, U0102, U0100
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2006 Pontiac Torrent 3.4L MIL Lamp on VIN: 2CKDL63F76
Car was towed in after going throug carwash customer said lost drive was fine in reverse. Found car in limp mode scan said serial data a A & B not matching. Tested wires ohmed out under 5 volts which Mitchell said was good. And to replace APP sensor we used on... Trouble codes: P1125 (App sensor problem), P1238 (App sensor coraolation)
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1999 Saturn SL2 1.9L Mechanical VIN: 1G8ZJ5275X
HI I have a 99 saturn SL2 with a rubbing noise only when the steering wheel is turned all the way to the left or right stop it sound like metal on metal and is a rotating nOise, the calipers with brackets and rotors have been replaced also has new wheel bearin...
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac DeVille 4.6L Poor Idle Quality VIN: 1G6KD54Y93
Thank you for the help on the 03 Cadillac Deville. Head gasket bad leaking coolant into #1 cyl Removed cyl head replaced head gasket problem solved
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1992 Chevrolet S10 4.3L Stall VIN: 1GCCS19Z3N
THANKS FOR ALL THE HELP. IT TURNED OUT TO BE A WEAK MAGNET IN DISTRIBUTOR. I PUT A REMAN DISTRIBUTOR IN AND IT FIXED THE PROBLEM. THE NORMAL REPAIR IS A PICKUP AND MODULE BUT NOT IN THIS CASE.
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1994 Chevrolet Astro CL 4.3L fuel VIN: 1GNDM19Z7R
Hello all, and sorry for the late reply as to the fix, but after a few of the replies noted that the fuel pressure for this certain model, is only 9-13 psi, then i started to check my ingnition parts again of which i thought that i had done before , but this t...
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2003 GMC Sierra 2500 HD SLE 6.6L no acceleration VIN: 1GTHK29153
The fix in this case was the connection at the pcm on the accelerator posistion wires. Tightened and cleaned connection all has been good. Sorry for the delay but I wanted to make sure it did not come back. Also I had several responses saying bad throttle body... Trouble codes: P2133.
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2002 Hummer H1 6.5L Accessories VIN: 137FA84322
THE SOLENOID HAD POWER AT RED WIRE WHEN KEY ON AND BROWN WIRE WITH FOOT ON THE BRAKE.BUT THE SOLENOID DID NOT MAKE NOISE WHEN TAKEN THE POWER AWAY FROM IT. FAULTY SOLENOID AT THE SHIFTINTERLOCK CABLE. NEED CABLE ASSEMBLY.CUT THE CABLE AT THIS TIME SO THE KEY C...
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