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Professional Automotive Repair Technical Discussions for June 27, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Cadillac Seville SLS 4.6L EBCM module VIN: 1G6KS52Y7V Fighting Trac light. Codes I am Chasing: PO1571, C1277. They deal with the tourque request form the abs computer to the pcm. At first, I had 200Khz, erractic ( 200 to 0) on the request circuit. ( the Orange/ Black wire.) Wiggling the wire harness caused it to ... |
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| 1996 Chevrolet C3500 Silverado 6.5L Starting VIN: 1GBKC34F7T Hi guys, this truck is our ramp truck we bought it this past spring. It has 240k miles on truck but motor has been replaced at some point ,not sure of mileage on motor maybe 50-60k miles? Just a guess. Anyways when the truck is hot and you shut it off it will ... |
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| 1997 Chevrolet K1500 Suburban LS 5.7L Transmissioj VIN: 1GNFK16R0V We are not a trans shop and place that rebuilt unit states there is nothing wrong yet vehicle clunks and shutters going in and out of over drive also will not :"kick down' into passing gear solus scan shows operating normally. Any help would be greatly appreci... |
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| 2000 Chevrolet Express 2500 LS 5.7L No Start VIN: 1GCGG25R94 Hi every body. Thanks in advance for your help. I was called to helpwith this problem. This is a van towed from one shop, to this one. It was about a bad engine. When they were ready to fire up the engine after installation of a different used engine, it crank... |
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| 1999 Pontiac Bonneville SE 3.8L Stall VIN: 1G2HX52KXH I have driven this car on long test drives, over 30 miles without any sign of a problem. This car will stall on the customer at random. Hot, cold, low speed or high speed. I could use any suggestions. I have inspected connectors, pulled wiring, tapped on senso... |
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| 2005 Saturn Ion-1 2.2L Stall VIN: 1G8A152F65 We had the trans apart on this car to fix a noise concern. After installation, the engine stalls at idle after stopping. This happens until the car is completely warmed up. We thought the problem may be the TCC solenoid or valve body, so we replaced the soleno... |
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| 2008 Saturn Vue XE 3.5L Brake Pedal VIN: 3GSDL43N48 This is my friends wifes car towed it in it would not move under its own power to even load on rollback, its like it was stuck in gear. Customer stated that they hears a noise then the brake pedal went to floor, after i got it back to shop the car moved fine d... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Buick LeSabre Custom 3.8L Starting VIN: 1G4HR54K05 Thank you for the many replies. I am waiting for this customer to return. I have offered him a loaner car. Some mentioned the cylinder lock may be at fault. We have changed many of the locks but it normally does not kill the AC panel and radio. I may try one a... |
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| 1989 Cadillac DeVille 4.5L Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 1G6CD515XK well first off thanks to all that replied and your help is always appricated. And the repair was a ignition coil. even though it never showed anything wrong with it. it was breaking down on medium accel and cruise with a slight load. and even though under full... Trouble codes: 37 (mat circuit shorted), 40 (p/s switch circuit open). |
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| 1997 Chevrolet Cavalier 2.2L Engine VIN: 1G1JC1242V Cleaned MAF sensor and it seems to have fixed the engine. It has been running much better. I will find out when I go to the track this week. Thanks for all the replies and advice. You can see the car in action by looking me up on youtube @ renniweht. Thanks ag... |
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| 1999 Chevrolet Malibu LS 3.1L MIL Lamp on VIN: 1G1NE52J4X Unfortunately, I have yet to fix this car. It's almost like pulling teeth to get the car back to the shop. I had a lot of good replies, and when I get car back, I will unbolt intermediate pipe from Cat to muffler and try to roll a golf ball through it, as this... Trouble codes: P1133 (Pre-Cat Insufficient Switching). |
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| 2006 Other GM coverall van 6.0L No Start VIN: 5B4KPD2U36 well it turns out that another tech in the shop had switched the CKP connector out with one from a 6.0L in a pickup truck. I had to switch terminals A and C around, wire colors were the same, but where the 12V ref was on the 6.0L P/U connector, the signal wire... Trouble codes: P0315 (CKP System Variation not learned). |
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