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Professional Automotive Repair Technical Discussions for January 9, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1979 Cadillac DeVille 7.0L Engine VIN: 6D47S99242 Thanks again, I will try and keep this as short as possible. Customer purchased this car from a auction of collector cars. It has been sitting a while. It was running ok, But smoked very badly at hot idle or on start up. We checked the vacuum modulator and the... |
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| 1982 Cadillac Eldorado 4.1L No Start VIN: 1G6AL5780C no start smoked ecm. this vehicle started as a tow in ,no fuel pressure,tested system and found bad fuel pump,replaced it. still would not start ,but had fuel pressure but no injector pulse. went into diagnostics and just got " . . " . tested power and grounds... |
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| 1997 Cadillac Catera 3.0L draw VIN: W06VR52R2V iv got a catera that keeps killing the battery. vehicle has a .300 amp draw after i replaced the window switch (due to leds staying on). found that when i disconnect the multi-function relay module the draw drops to .090 amps. mitchell doesnt really give me an... |
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| 1994 Chevrolet Cavalier RS 2.2L tensioner VIN: 161JC1446R Help, Gang!! This Cavalier is kicking my butt!! I know this shouldn't be rocket science, but we'd sure like to LAUNCH this car!!! Car came here in October with a chewed up belt & a tensioner at a slight angle. We put in a new NAPA (Gates) tensioner and belt on... |
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| 1997 Chevrolet C3500 6.5L Surge, Stall VIN: 1GCHC39FOV this vehicle was brought into my shop with a lack of power complaint.the customer has had the fuel filter replaced, 1 injector replaced, fuel pump has been replaced, and the injector driver module on the injection pump has been replaced.the vehicle has no dtc'... |
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| 1997 Chevrolet S10 LS 4.3L No Start, Misfire VIN: 1GCCS19X3V cust states that they were driving this truck down the interstate at about 65 miles per hour and truck just cut off.pulled to side of road tried to restart no luck wouild turn over but not start ,i pulled truck in first checked fuel press it is good checked sp... |
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| 2001 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W61 when this vehicle first entered our shop, the repairs where simple. lower intake gaskets,tune-up, to include plugs, wires fuel and air filter. also replaced both cats, air pump, and the original pcm due to a script error code. we replaced pcm according to a te... Trouble codes: P1626 (incorrect password detected.) |
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| 2001 Chevrolet Silverado 1500 5.3L abs VIN: 2GCEC19V61 Thanks every one who responds. I have code co265 (EBCM motor relay circuit). Do I have to replace the abs unit or is there something else I have to check? Jaime |
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| 2005 Chevrolet Cab & Chassis Silverado 3500 6.6L no fuel transfer VIN: 255E195930 Thanks in advance for your help and ideas. This problem started when both tanks were empty and the rear tank was filled first. From that point on the fuel has never transfered from the rear to front tank. Unplugged battery to reset system - no change. I don't ... |
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| 1996 GMC C1500 Sierra SL 4.3L MIL Lamp on VIN: 1GTEC14W9T Hi guys/girls! Have a 96 GMC C1500 that has been through a few different repair facilities. Codes p1122 and p1406 trigger the check engine light and then the idle stays high (1800-2500 rpm). Customer indicates that turning the truck off and restarting it shut... Trouble codes: P1122, P1406 |
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| 2000 Pontiac Grand Am SE 3.4L computer? VIN: 1G2NF12E2Y this is another one of those dreaded car lot deals. this car came in about 2 months ago for what was called by the wrecker driver as a "car won't start" situation. we attempted to start vehicle and it would turn over albeit slowly , but would not start. the ba... |
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| 2001 Pontiac Grand Prix GTP 3.8L power steering VIN: 1G2WR12121 Kinf of a goofy one hear , client brought in this car with no ps assist at all , he changed the pump with a gm unit .Now someone had told him a little while ago that his rack needed to be changed , so we changed it (customer supplied used unit)and no change , ... |
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| 2004 Pontiac Grand Am SE1 3.4L automatic headlights VIN: 1G2NF52E34 Just looking for some information on how this system works. Wondering about the relay if I could test the power on the coil side and also the ground side for the coil in the relay? Also the contact side of the relay, power in and power out to the headlights. W... |
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| 1998 Saturn SL2 1.9L Misfire VIN: 1G8ZJ5278W this car came in with Cyl #1 miss fire, found plugs and wires to be original, replaced with Delco plugs and wires, car still had miss fire and was counting up on scanner, i switched #1 & #4 wires at coil and miss moved from #1 to #4, i tryed a NEW ign coil and... Trouble codes: P0301 (cyl 1 miss fire) |
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| 2000 Saturn LS1 2.2L timing chain VIN: 1G8JU52F1Y This Saturn came in with a noise in the engine. I took off valve cover and found the chain loose. I took out the timing chain tensioner and found it all the way in. So I freed it up and got it moving nicely back and forth, installed it to check and found noise... |
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| 2004 Saturn Vue 3.5L MIL Lamp on VIN: 5GZCZ53444 Hi,hope someone has experienced this before.Vehicle comes into shop running fine,extended road testing reveals no particular problems.A Code P0300 is stored in memory and the check engine light stays on, it indicates a missfire on all cylinders 1-6 .All checks... Trouble codes: P0300 (Random misfire--- all cylinders) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Buick LeSabre Custom 3.8L No Start VIN: 1G48P52L4R First,I want to personallly thank everone that sent replies.It was a bad computor. A lot of the replies sent great info about checking the pass lock system. I disconnected the 28 pin connector under the steering column found the two small [...] wires that run ... |
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| 1987 Cadillac Brougham 5.0L vents VIN: 1G6DW51Y2H thank you to everybody who replied. every one was on the same track that we were. we were able to locate a broken vacuum hose tucked neatly under the brake booster. when a previouis shop installed the motor not to long ago they left a mess of wires and vacuum ... |
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| 1998 Chevrolet C1500 Suburban LS 5.7L MIL Lamp on VIN: 1GNEC16R1W OK, 2 codes, 2 problems. 1) Pressure sensor. 2) Sensor connector was not on all the way. When checking the signal wire with 'bed of nails' probe, I was pulling on the harness just enough to open the signal. With the probe removed and harness relaxed, the plug ... Trouble codes: P0452 (EVAP pressure sensor low input), P0453 (EVAP pressure sensor high input). |
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| 1999 Chevrolet Silverado 2500 6.0L oil cooler lines VIN: 1GTGK29U2X I recieved 4 responses, all good. Basicly this is what i found out , Clyde supplied me with a dorman number 625-168. contacted bumper to bumper, they had the part but there books did not list this truck. The web site did though, I checked for aplication. Had i... |
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| 2002 Chevrolet Venture LS 3.4L whistle VIN: 1GNDV13E92 There is a Tsb about the same complaint in alldata. I was using Identix, and did not come up with it under symptoms search. Car is under warraty were she bought the vehicle. |
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| 2002 Chevrolet Venture LS 3.4L cooling fans VIN: 12EWGYNU12 thanks for the helpful replies the thermostat was stuck closed replaced it and alls well |
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| 1998 Saturn SL2 1.9L lost pwr after shift VIN: 1G8ZK5275W Thanks to all who responded, This Saturn is on it's way back to where it came from (no not the solar system, even though it belongs there). All 8 replies had pointed to checking correct transmission and correct/good pcm. The reply from Ron [...] had made th... Trouble codes: P1599 (and about 50 others). |
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| 2001 Saturn L200 2.2L Cylinder Head VIN: 1G8JU52F21 Thanks to all who replied. Everyone confirmed that the 22 ft/lbs and additional 155 degrees was right. It just didn't seem like enough to me, and I fully expect the head to blow off any minute. But so far, it's running great. Thanks again. |
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