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Professional Automotive Repair Technical Discussions for January 18, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Buick LeSabre Custom 3.8L dash & park lights VIN: 1G4HR53LOP Customer complaint of intermittant and then no dash lights over several day period. Checked and found no dash or tail lights. Checked connections @ light switch and LCM, checked fuses. I thought I saw the dash lights flash once, but not sure. Can not find a go... |
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| 1994 Cadillac DeVille 4.9L heater vents VIN: 1G6KD52B9R thank in advance for any help ,this one is unusual,this is a automatic system controled only by temp setting for distribution from vents,my problem is that this car does not have a dual climant controll system but acts that way the driver side is usually ice c... |
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| 1996 Cadillac Fleetwood 5.7L oil consumption VIN: 1G6DW52P3T this car is maintained on a regular basis. every three months or three thousand miles which ever comes first. customer came in at the end of november with add oil light on. changed oil and started oil consuption test, car uses one quart of oil in 998 miles. ca... |
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| 1990 Chevrolet Corvette 5.7L Misfire VIN: 1G1YY238XL Hello all, I have a 1990 corvette that has 3 dead cylinders at all times, #5,6,7 CYLINDERS. Have scope tested igntion and even replaced all igniton components except internal distributor parts, have tested compression-good, have scope tested injector pattern... |
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| 1993 Chevrolet C1500 Cheyenne 5.0L Cuts out, Stall VIN: 2GCEC19H4P HELLO EVERYONE! I JUST SPENT THE DAY WITH THE TRUCK FROM HELL. THIS TRUCK ONLY ACTS UP COLD. CUST. STATED THAT TRUCK WONT IDLE IN THE MORNING OR COLD(AFTER A LONG SIT). CHECKED THE USUAL SUSPECTS; CTS, IAC,ETC. NOTHING FOUND. I DROVE THE TRUCK COLD, IT FEELS L... Trouble codes: DTC, 44 (lean exhaust) |
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| 1996 Chevrolet Express 1500 5.0L high idle VIN: 1GBFG15M9T This van has a high idle. It will idle at approx. 870 in park with 0 IAC counts. In gear it will idle about 675 with IAC counts of 14. No vac. leaks were found and the fuel trim numbers are 126-130. It has set a code for high idle. Customer also complains of a... |
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| 2001 Chevrolet Blazer LS 4.3L heater core VIN: 1GNDT13W11 Hi there, I'm having problems locating the proper procedure for r&r of the heater core in this little blazer. It has manual controls. My shop key says to remove the blower and evap case and flat rate is 8 hrs? If someone who has been there and done that can po... |
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| 2002 Chevrolet Trailblazer LS 4.2L No Start, Poor Idle Quality VIN: 1GNDT13S32 This vehical will not crank unless headlamp switch is cycled. Will start almost every time then but not allways. When vehical does start all guages read O and Battery light is on. Dash light do not work even when it it running. Alt is charging correcly. Batter... |
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| 2003 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J23 Customer came in with a MIL lamp on. Retrieve code P1815 Transmission range sensor malfunction. Just wondering if anyone has experience with this code. I am just trying to get information is advance. Trouble codes: P1815 (Transmission range sensor malfunction) |
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| 2003 Chevrolet Suburban K2500 6.0L underhood wiring this is one of our fleet vehicles. It had all kinds of running problems, missfire codes , coil codes ect.found problem to be a broken wire in the middle of the large harness going to the engine. while repairing, other wires in the same area were quite worn loo... |
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| 2003 Chevrolet Silverado 2500 6.0L radio VIN: 1GCHK29U83 To Gm techs. Today we replaced a BCM on this truck with a used one. Everything was OK until we found that the steering wheel button (radio) was inoperant. Not able to change the tuning or adjust volume. The button on the radio are OK. We checked the two wires... |
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| 2004 Chevrolet Venture LS 3.4L Theft Deterrant VIN: 1GNDX03E04 This van will not start sometimes. Intermittant- did not act up for me at all. It will not crank at all at times. Also, when he is driving, sometimes the security light will come on, the radio will not work, the gas guage goes to empty, and the bell will chime... |
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| 2004 Chevrolet Aveo 1.6L Mechanical VIN: KL1TD52674 hello everyone.customer came in for oil change.i notice under oil cap white sludge. due to low mileage send customer to dealer. customer came back from dealer not under warrenty anymore. should be 3 years or 36000 mileage. he is my good customer. is there anyo... |
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| 2002 GMC Sierra 2500 HD 6.0L Unknown VIN: 1FTZR15X3W This is one for the Trans. guys. This trans will show overheating in hot weather, cool weather seems to be fine. Customer does occasionely pull a trailer that weighs approx. 6000 lbs. It takes a long drive for this to happen. I know heat build up is for one of... |
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| 1999 Pontiac Grand Am SE 3.4L code c1243 VIN: EOXM810092 c1243 replaced pack and pinion, pump, steeing wheel sensor. hard to turn like no power. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Cadillac Catera 3.0L draw VIN: W06VR52R2V thanks to all that replied. Sorry it took so long to reply. Ended up being the multi-function relay module. There was a short inside on one of the relays. Draw went to spec after it was replace .020 amp draw. |
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| 2003 Chevrolet C4500 Kodiak C4C042 6.6L fuel gauge VIN: 1GBE4E1153 I reprogramed with latest software. So far ok. If the truck comes back with same problem we will be replacing updated rear tank and sender. Big thanks to the guys who responded and the tsb's and diagrams were very helpful. Thanks again!!! |
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| 1999 GMC Sierra 2500 SLE 6.0L fuel pump VIN: 1GTGK24U1X thank for all the replies. the new pump came as an updated part(different part #) and it had an updated pigtail that had to be wired in and a new fuse for the ecm b, aparently there is a problem on thes that ac/delco know about. so i am chalking it up as that ... |
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| 2000 GMC Yukon XL 1500 SLE 5.3L Key fobs VIN: 3GKFK16T6Y Hello,I recieved a couple of good replies,pretty much stating a Tech 2 scanner is the foolproof way to program the fobs.I really didn't get the answer to whether or not its a factory option to have the fobs perform in this manner,but they are working fine righ... |
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| 1997 Oldsmobile Aurora 4.0L interior lights VIN: 1G3GR2C8V4 customer didnt show up for the water pump. the drivers door wiring sounds most likely. its the next place i will go if i see the car again thanks to all |
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| 2002 Oldsmobile Aurora 4.0L inop VIN: 1G3GS64C12 after many hours of testing I found someone had switch radios with a different oldsmobile one and the radios internal wiring was different. The aurora has a wire for navigation system which splices off speedo wire. |
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| 1998 Pontiac Firebird 3.8L No Start VIN: 2G2FS22K4W Thanks to Bruce,Ron,Eddie and Dennis. Well i don't have real technical answer here other than found it to be a intermitant power supply problem to ignition module. Tapped on the ignition relay while cranking and it fired right up. Replaced relay and all is wel... |
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| 2000 Pontiac Grand Prix SE 3.1L input speed sensor VIN: 1G2WJ52J8Y Thanks to everyone who posted. Most of you said to replace transmission shaft input speed sensor. Told Boss what we are looking at to do that job if that was it, after further testing. He said no way I'm not putting anymore money into that car, and sent it to ... |
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