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Prev Professional Automotive Repair Technical Discussions for April 23, 2013
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1991 Cadillac DeVille 4.9L relay VIN: 1G6CD53B8M
We have an intermittent no crank and I want to check the crank enable relay but we can not find it. Mitchell shows it on both sides under dash and I havent found it on either side. need a Caddy guru! Thanks in advance
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2005 Chevrolet Silverado 2500 HD 6.0L power steering VIN: 1GCHK29U55
Greetings fellow techs! I already know which way I'm leaning with this particular vehicle, but thought I cast a line out just to see what kind of nibbles I'll get. So here goes... Customer dropped off his truck compaining of a whining noise, which I confirmed ...
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2006 Chevrolet Silverado 2500 HD LT 6.6L Tcm VIN: 1GCHK23D66
Truck came in from ford dealer to have tcm replaced and programed, replace the module with a new module and went to program and there is no communications...had some used modules and tried them,still no communications. Replace glow plug control module then ecm...
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2007 Chevrolet Tahoe LTZ 5.3L Co300 Rear Drive Shaft Speed Sensor VIN: 1GNFK13067
Thanks in advance, this tahoe is setting co300 code. Using tech2 monitor spd signal-rpm spd signal is very erratic, 1657 then 634 then 32 rpm etc. Replaced speed sensor, still erratic rpm. Just wondering if anyone has come across this code, and if there is a p...
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2007 Chevrolet Suburban 1500 LTZ 5.3L 4 4 wheel drive, stabilitrac VIN: 1GNFK16307
Fist episode was about 3 months ago cust states that vehicle lost power on highway and stalled out, after which became hard to turn steering wheel. Nothing found with stalling but four wheel drive was turned on. Vehicle was fine until now cust went over large ...
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2008 GMC Yukon Denali 6.2L Hesitation, Surge VIN: 1GKFK63858
Hey all. This truck is getting to me a little bit. truck came intop shop with a hesitation or surge. checked codes have code P0230 Fuel pump Control Circuit. Tested for power and at Fuel pump control module pin 13 it has power when i turn the fuel pump on and ... Trouble codes: P0230
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2002 Saturn SL2 1.9L p0341 VIN: 1G8ZK52732
vehical came in about 3 months ago with code p0341 cmp sensor circuit performance cleared codes and now its back so I ohmed out plug wires ohmed out bad removed and replaced plug wires and put new copper style spark plugs in and also gaped them to specs compre...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Park Avenue 3.8L A/C Vents VIN: 1G4CW52K2T
Thank You guys for your replies.i culd'nt get any flow from vents any time except when i appied vaccum to blue vac.line with my mighty vac.the used a/c programmer was also faulty. i took the cover off and repaired the original one,it had a bad vacuum manifold....
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1995 Chevrolet Camaro 3.8L neutral safety
ok for all you guys that said where it was thanks. problem revealed itself after finding the relay with a cheap-o connector pinching yellow and purple wires together. removed it everything works. this car had an aftermarket alarm or something installed previou...
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2001 Chevrolet Silverado 3500 6.6L Engine VIN: 1GCJK33161
Many replied that cam gear has a pin that breaks off so easiest thing to do was to pull a valve cover and I found bent pushrods and cam is not turning so suspect broken pin on cam gear but engine is likely junk and waiting from customer to see what he wants to...
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2003 Chevrolet Impala 3.4L Oil comsumpt
FOUND TWO BROKEN VALVE SEALS, REPLACED THEM ALONG WITH INTAKE GASKETS AND BOLTS, CUSTOMER DRIVING VEHICL SO FAR NO OIL USE?
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2004 Chevrolet Colorado LS 3.5L ignition VIN: 1GCCS13684
Hey, I am trying to update my thread but i do not know where to click to update, so i am emailing you, so help me update the thread with the codes i have found in the bcm module after scanning B2957, B1442, U1301 THIS CODES CAME AFTER CLEARING ALL THE HISTOR...
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2005 Chevrolet Silverado 2500 HD 6.6L Stall, Misfire, MIL Lamp on VIN: 1GCHK232X5
Thanks For All the Help I Rebuilt the Fuel Primer with a kit from Kennedy Diesel and Replaced the fuel filter with a steel one from GM and the problem is gone Trouble codes: P0300, P0202, P1294, P2149.
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2007 Chevrolet Impala LT 3.5L fuel gauge VIN: 2G1WT58K07
IT APPEARS THAT THIS VEHICLE IS FIXED/HAS NOT RETURNED SINCE WE CHANGED THE DASH CLUSTER-THANKS FOR ALL THE RESPONCES-SORRY TOOK SO LONG TO CLOSE-WAS WAITING TO SEE IF IT CAME BACK
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