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Professional Automotive Repair Technical Discussions for November 18, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick LeSabre Custom 3.8L Excessive Emissions, No Start, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G4HR54K7Y One tech at dealer said it was due to weak magnet on cam gear. So I replaced Timing chain set with new magnet, both cam & crank sensors, water pump. Proformed CKP relearn. Test drove and still cuts out and dies while driving. Looses tach function while driving... Trouble codes: P0341 (Cam Position Sensor) |
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| 1998 Cadillac DeVille 4.6L Oil Pressure VIN: W06VR52R5W Customer brought this car to my shop with a seized motor. I purchased a used motor from LKQ with about 45000 miles on it. Installed the motor, Car ran good with no issues until it warmed up after about a 30 minute road test. The oil light came on and the oil p... |
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| 1991 Chevrolet G20 Sportvan 5.7L Excessive Emissions VIN: 1GAGG35K3M i have this 91 chev. van that seems to be giving me a little problem. it is a state vehicle with low milage,77,000. co readings are just high enough to fail smog test both at 15mph and 25mph. limits are at 15mph .43 and .56 at 25mph. found o2 sensor bias lean,... |
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| 1999 Chevrolet Silverado 1500 4.8L #6 Cyl VIN: 1GCEK19VOX Thankyou all for your time... This sounds like it should be simple but its kicking our butt. Cust brought in for noise check eng light and rough run. He just had heads replaced for an "exhaust noise" by someone from craigslist. They replaced head gaskets and m... |
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| 2002 Chevrolet Silverado 2500 HD 6.0L Engine VIN: U92Z312184 Hi guys, I have this Chevy silverado 4x4 with 6.0L came back to our shop. I replaced and repaired both clyinder heads, because one value spring was broken, replaced all springs per customer request. The vehicle run good for about month. The problem now is the ... |
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| 2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNES16S22 hey guys , got this trailblazer with an intermitten " reduced engine power " light on . P1512a min thottle position not learned (otc genisys definition ) condition very intermitten. Occurs around every 100 miles . After cycling ignition or clearing code system... Trouble codes: P1512 |
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| 2002 Chevrolet Cavalier 2.2L transmission shift VIN: 1G1JC52482 This vehicle blows fuse for ERLS 10 amp intermittently. Can drive for days sometimes weeks and no problems. When fuse blows the transmission does not shift. Checked small pink wire form 10 amp fuse at inside of fuse box to transmission and brake light switch. ... |
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| 2003 Chevrolet Malibu 3.1L radio? VIN: 1G1NE52J33 Customer states on different ocassions, usually on start up, a distinct audible random beeping sound can be heard coming from dash/radio area. It sounds like an electronic beep. The beeps last about 1 to 2 minuntes and are at random,then stop. The customer sta... |
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| 2003 Chevrolet Cavalier LS 2.2L battery/alternator VIN: 1G1JC53F43 thanks in advance to all who reply. i have a 03 cavalier 2.2l that isnt charging properly. we replaced the alternator but problem still persists. checked cable from starter to battery: good. checked lead from starter to alt: good. checked ground @ eng block an... |
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| 2007 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 2GCEC13077 this is a wierd one.came from bodyshop with fuel gauge not reading accurate and wheel bearing noise.went on test drive with service writer,i hooked up scanner to check gauge,speed sensors.while i was entering vehicle data the abs,service traction,suspension li... |
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| 2003 GMC Envoy XL SLT 4.2L ABS speed sensor VIN: 1GKET16S13 RF wheel speed sensor replaced. Still continues to lose signal off and on during road test. DTC set C0221, C0222. Cleaned ground lug to EBCM and checked connections. Also cleaned mounting surface at sensor to hub. Alldata suggests bad EBCM. Do not want to buy ... |
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| 1998 Saturn SC2 1.9L shifting VIN: 1G8ZG1277W I have this SC2, its my personal car that I just bought a few weeks ago. the problem I am having is difficult shifting after driving for a while. the thing shifts great when I first get in it cold. after 20 minutes of driving or so it becomes very diffucult to... |
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| 2003 Saturn Ion-1 2.2L No Start, Poor Idle Quality, Stall VIN: 1G8AG52F33 Came in a few days later owner complaned of no start. Started it buy giving it a little gas. Starts and idle will rise and fall like normal, then it will rise to about 1700 RPM. Tried to do a crank cam relearn with Snap-on Modis, but the ECT reading is -18C/0F... Trouble codes: P0509 (IAC fault), P0507 (IAC circuit high) |
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| 2004 Saturn Vue 3.5L transaxle VIN: 5GZCZ63494 Hi guys, I have here a saturn vue awd. when driving at any speed over 20 mph or so, it makes a humming noise very similar to that of a wheel bearing. They have been checked, and are NOT the source of this noise. We have driven it on the lift, and pinpointed t... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Chevrolet K2500 Cheyenne 5.0L brakes VIN: 1GECK10823 Thank u everyone.. after one response i started looking closer at the abs unit and just for kicks i unplugged the harnesses and the pedal was perfect. i beleive there is a stuck valve with air trapped inside. i put a used one in and bleed it and pedal feels ... |
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| 1997 Chevrolet Tahoe LS 5.7L Driving problem VIN: 1GNEK13R7V Thank`s everyone for the info checked the dist an found thak it was cracked an the shaft was moving around. Gave it to cust to take back to other shop for refund. Again thank`s all. |
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| 2003 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13X73 WITH ALL OF YOUR HELP I WAS ABLE TO FIX THIS TRUCK, THE FIX WAS A BROKEN WIRE THE WHITE WITH A BLACK ON THE COIL. IT WAS BROKE INSIDE THE CONNECTOR. VISUAL INSPECTION DID NO GOOD. I HAD TO PULL RATHER HARD BECAUSE THE OUTER COATING WAS VERY MUCH IN TACT BUT TH... Trouble codes: P1626. |
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| 2009 GMC Savana 1500 5.3L airbag diagnostic module VIN: 1GDFG15489 Thanks for help the Van is fixed! I learned that SPS for 08 and up is possible only with pass thrue device (tech 2 or MDI) but not remotly with Tech2. Also module reprogramming did not worked but the replace and program did! Thanks again! |
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| 2007 Other GM W42 6.0L abs VIN: 5B4KPD2U07 Well as I had pretty much figured I could NOT find a way around having the right tools for the job. I looked everything over and didn't see anything out of the norm. Thanks for your time though! |
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