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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 16, 2012
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1994 Buick LeSabre Custom 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4HP52L7R
I followed flow chart for checking wires to cam crank sensor and all tests good. Have scoped all sensors and all ok, well initially found crank and ignition control module to glitch which is why I replaced it. Runs rough at idle, sometimes worse then others. S... Trouble codes: P0341
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1995 Chevrolet Beretta Z26 3.1L Misfire VIN: 1G1LW15M5S
we got the car from a shop 100 miles away for a rough idle concern the car in missing on #2 and #3 all the time, there is spark to both cylinders and both have over 150 psi compression we even swapped injectors what am i missing here any help would be great, a...
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2003 Chevrolet Silverado 1500 HD LS 6.0L battery light & security light
This vehicle came in with a complaint of not starting. The owner stated that she just turned the key several times then it started. I checked the starter wires to make sure they were tight and not corroded. Then when I got to looking I noticed that the securit...
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2003 Chevrolet Silverado 1500 5.3L Transfer case module VIN: 1GCEK19T03
This is another one of "those" vehicles. I can’t get the new transfer case (ATC) module to program using the GM MDI OR CARDAQ. A/C Delco tech line gave me a VCI number and we even tried to flash it Via the BCM still no luck. It does have ALL after market acces...
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2004 Chevrolet Silverado 1500 5.3L radio VIN: 2GCEC19T74
Hello all, I recently replaced my oem radio (cd player was malfunctioning). After installing the used rds replacement radio (oem)it was locked of course. A trip to the dealer and their techII resulted in $50 spent to reprogram the radio and $50 spent to unlock...
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2004 Chevrolet Venture LS 3.4L Cuts out VIN: 1GNDU03E54
The customer complained that you have to ease it up to speed when accelerating. Road tested and vehicle will surge and cut out when under moderate to heavy acceleration or WOT. I.E. getting up to highway speed when turning onto highway in heavy traffic There a...
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2005 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1GCHC24U85
Came in with an all of a sudden wouldn't stay running, tune up, compression test, replaced 1 broken valve spring. Ran good, shipped it. Brought back with high idle complaint. Ses light on p0101 maf code. I swaped the maf with a new then borrowed a known good. ... Trouble codes: P0101
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2005 Chevrolet Cobalt LS 2.2L Stall VIN: 1G1AL12F75
Okay guys, i've got a weird one here that i hope someone has experienced. Customer complained the car just died and the tc light came on--coasted to roadside and car immediately restarted. I could not duplicate the concern on my test drive and all parameters o...
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2006 Chevrolet Colorado LT 3.5L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1GCDS13626
This vehicle drives normally for about 30 seconds and then starts to bog down severely. MAF readings seem like they should be higher. If you "get on it", the MIL lamp will flash, however STFT doesn't move from 0.00. and the dash readout says "Reduced Power". P... Trouble codes: P0106 (MAP/Baro Performance problem), P0128 (Coolant thermostat), P0420 (Catalyst efficiency below threshold)
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2007 Chevrolet Malibu LS 3.5L power assist VIN: 1G1ZS58N47
Hi, I've been a subscriber for a long time but have never asked for help before. You guys are great. This car has an intermittent no power assist complaint with a c0545. They can turn the key off & back on & it will work. I played around & got it to do it in m...
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2008 Chevrolet Suburban 1500 LTZ 5.3L Cuts out VIN: 3GNFK16318
Vehicle was towed in as a no start. When we got to check the vehicle it did start, we took it for a road test and found that under a hard load the vehicle would cut out and jerk, the check engine was on and had dtc po230, po25a, po69e. Checking the fuel pressu... Trouble codes: P0230, P025A, P069E
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Fixes & Summaries for GM
Fix/Summary Answers
1993 Chevrolet S10 4.3L Hesitation, Surge, Cuts out VIN: 1GCCT19Z3P
12 yrs in gm dealers and i still can't fix it! i followed the advise of almost every post from you all and nothing ever changed. ended up leaving the oxygen sensor unplugged so ECM would not go into closed loop-cust was happy but i was not! Really, really ...
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2006 Chevrolet C5500 Kodiak C5C042 6.6L fuel VIN: 1GDE5C3266
check flow found it to be high replace all injector now it pass the fuel regulator test drove vechile running sweet thank you all for your help with this problem ps special thanks to jacking the cab for number 8 made it easy job
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2006 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TD56646
Well the check engine light came back on. We ordered a cat. I took the old one off and wadda you know...substrate broken. Put new one in (oem) and wala...been gone for weeks now. Trouble codes: P0420.
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2003 GMC Sonoma SL 4.3L ABS light on VIN: 1GTCS19X03
the right front abs sensor was bad. the problem was that my blue point scanner i used to get the code co222 did not say anything about right front sensor. after i recieved replys about the right front being the problem and was recommened to hook up the scanner...
10
1985 Pontiac Fiero SE 2.8L engine VIN: 1G2PF3796F
I want to thank everyone that responded to my request.Almost everyone agreed that I should walk away from this headache. So I talked to the customer we agreed to get the original motor rebuilt and put it back in the car.The engine is at the machine shop now I ...
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2006 Pontiac G6 2.4L drivabillity VIN: 1G2ZF55B46
while car was in for steering noise(strut bearings seized)had chance to shop run unit noticed exaust smell in shop(hose with fan drawing to outside) removed heat shield on manifold and found it cracked right in centre of y about 1" from o2 so this cured p0171 ...
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