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Professional Automotive Repair Technical Discussions for December 19, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Cadillac Seville STS 4.6L Braking system VIN: 1G6KY5296P Hello IATN, Today we are working on a 1994 Cadillac Seville STS. It has a problem with leaking air into the right front and left rear brake line circuit. We have replaced the master cylinder with a aftermarket reman twice with the same results. Somehow air ke... |
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| 2004 Cadillac DeVille 4.6L Misfire VIN: 1G6KD54YX4 came in misfire under light load at 60-70mph scanner showed misfire on cyl 7 we replaced plugs and coil pack. did not help we found that missfire is on cyl 7 and 8 we did top engine cleaning and egr service with bg product the we found if we unplug the egr tha... |
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| 2006 Cadillac DTS 4.6L driver side head light VIN: 1G6KD57Y96 this vehicle came in with driver side head light goes out after letting lights stay on for about twenty minutes checked wiring and wires appear to be ok so i replaced the headlight control module and this seem to cure the problem but customer returned in about... |
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| 1993 Chevrolet C2500 Suburban 5.7L abs module bleeding VIN: 1GNGC26KXP Car pulls to the left when braking. (hard or soft Braking) found that there was know brake fluid flow to the right caliper bleeder valve. So we replaced both right and left front calipers and hoses. Test drove car after repair, car still pulls to the left with... |
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| 1996 Chevrolet Caprice Classic 5.7L No Start VIN: 1G1BL52P8T this car has been in the shop this will be the 3rd time in 9 months with the fuel hanger pass through connector burnt. ive put anew fuel pump each time as well as a new a/c delco fuel hanger each time.has anybody come across this before. i havent checked for a... |
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| 1997 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC5242V OK, rookie time over here. Thanks for the replies in advance, even if it does make me cry. What I have is a 1997 Cavalier, 2.2. Shop car. We put a head on it, then after about 6 months of customer loan outs the oil pump died and killed the motor. We didnt want... |
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| 2003 Chevrolet Express 3500 6.0L brake lights VIN: 1GCHG35UX3 happy holidays all. we have this 03 express van in that has me alittle stumped. when the brakes are applied, the dome light comes on dim, the brake and back-up lights come on and the high mount brake light comes on dim. turn signals work properly until brakes ... |
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| 1995 GMC Jimmy 4.3L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1GKCT18W85 This thing is driving me crazy. It will start and run normal for a few minutes, then it will surge, from idle to almost shutting off, and repeats this. It keeps doing this about once a second, and sometimes stalls out. At this time it will not respond to throt... |
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| 2001 GMC Yukon XL 1500 SLT 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKFK16T71 Hopefully one of you fine folks can shed some light on this Subdivision thats handing me my a@@! I put the fuel pump in back in April when it came in as a no start. At that time we also cleaned the MAF, T.B. and put plugs in it since they were fairly worn. Two... Trouble codes: P0101, P0300, P0171, P0174, P1133 (O2 Sensor Not Switching Bank 1), P1153 (O2 Sensor Not Switching Bank 2) |
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| 2003 GMC Savana 3500 6.0L Poor Idle Quality, MIL Lamp on VIN: 1GTHG39U43 replaced intake gaskets on van, and on initial start up after repair van idled at 3800 rpm. saw that iac valve counts were at 0 and fuel trims on both banks immediatly started counting up. assumed that i had caused the problem by removing intake. removed again... Trouble codes: P0507 (high idle speed) |
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| 1999 Oldsmobile Intrigue GL 3.5L Turn signal VIN: 1G3WS52H0X Front turn signals don't blink when the actual turn signal is plugged in. Test light will blink in wiring harness and then plug in the signals and nothing. Turn signals in rear work and so do flashers. |
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| 2004 Pontiac Vibe 1.8L MIL Lamp on VIN: 5Y23L62894 interminttly light comes on/run test all checks good/wiring problem?connector problem?can not see anything else wrong! Trouble codes: P013B |
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| 2006 Saturn Vue 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63406 Hi guys, This is my first help request, and boy do I need it! I'm working on a '06 Saturn Vue with the Honda 3.5L v-6 that's got misfires at idle only on cylinders 2 and 3. Engine runs strong and does not misfire off idle. In addition to the tests listed, I've... Trouble codes: P0300 (Misfire cyls 2 and 3 are misfiring) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Cadillac DeVille 4.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1G6CD5338L Thanks for your help. Unfortunately I haven't fix this vehicle yet. I had to put it on the back burner so I can make some money. I put a new distributor, cap. rotor, spark plugs, ECU, fuel pump. I also disconnected the exhaust at the manifolds. I'm going to s... |
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| 1998 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y2W WELL GUYS I THANK YOU FOR YOUR RESPONSES YOU ARE THE BEST IT IS FIXED I HAD TO DISCONNECT THE BATTERY AND DO THE 10 MINUTE ON OFF 10 ON OFF 10 ON OFF AND WHAT DO YOU KNOW IT STARTED WITH NO SECURITY ISSUES THANKS AGAIN MY BRAIN WAS GETTING FRAZZELED ON THIS ON... |
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| 1992 Chevrolet Corsica LT 3.1L No Start, Poor Idle Quality VIN: 1G1LT53T2N thanks for the great replies,turned out to be bad new temp sensor,and poor connection at sensor,replaced both again and everything is great. thanks again,mel. |
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| 1997 Chevrolet Lumina 3.1L Radio VIN: 2G1WL52M2V This one is fixed. I'd like to thank the 2 people that replied. I used to have a conection at the dealership, but they changed ownership a while back and don't like to give info out very well especialy since business is slow right now. I ended up getting the u... |
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| 1999 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W0X Well guys, this one is one for the record books. I recieved 26 replies and I want to thank every one of you for your input, but it was not the fuel pump. The VCM was not trigering the injectors during cranking, I replaced the VCM and all is good. After sitting... |
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| 2004 Chevrolet Express 3500 6.0L No Start VIN: 1GAHG35U43 This post was for a friend and he's still struggling with it. The e-mail I got didn't really help at all. I think he's got a pinched wire or something related to the engine swap. Trouble codes: P1626. |
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| 2000 GMC Sierra 1500 SL 4.3L Excessive Emissions VIN: 1GTEC14W6Y well thnx to all for the replies and Dan, your info proved most helpful. the cruise circuit was open, but power to the fuse was ok, power was not reaching the bcm with the key in run. found a bad connection at the fuse box itself. the BCM must see 12v with the... |
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| 2003 GMC Sonoma SLS 4.3L 4x4 VIN: 1GTDT13XX3 found a bad connection at the switch and a corroded terminal at the controller.Pulled the connector apart straightened the pin cleaned both the connection and the corroded terminal tested the operation and reassembled. All working fine now |
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| 2003 Oldsmobile Alero GL 2.2L No Start VIN: 1G3NL52F33 Well the majority of you all seem to think that the ignition cylinder is the problem. Some posted about water getting into the bcm. I will check these things on the next car with this problem. The cust. was happy I got it to start and took the car to trade it ... |
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| 2001 Saturn L200 2.2L fuel gage inop VIN: 1G8JU52F61 Ok to sum up things with this car I knew it had a new oem sender and that the pcm was displaing the correct level and the gauge needle moved some when the key turned on.Replacing the cluster fixed problem. Thanks to everyone replies this ones history. |
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| 2004 Saturn Vue Red Line 2.2L lubrication VIN: 5GZCZ23D14 Thanks for the replies. My orignal post was done without me looking at the vehicle; Grease Monkey and I spent a bunch of time on the phone. The vehicle finally got here yesterday so I could look at it. There was excessive blow by or pressure in the engine. ... |
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