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Professional Automotive Repair Technical Discussions for March 11, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Cadillac Escalade 6.0L No Start VIN: 1GYEK63N72 Have a high mileage escalade driving us nuts. Vehicle was towd in for a no start. Had 0 fuel pressure and guage reading empty. Cust said there is def gas in her so we dropped the tank to check the pump and to check for power. we had no power. Since it was the ... |
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| 1998 Chevrolet K2500 Cheyenne 5.7L transfer case VIN: 1GCGK29R9W the t/case is searching for position with the key off.with ignition on it will search and land only in 4lo.the relay in the tccm clicks and sends power from blk to red wires at the encoder motor. i have unpugged all the peripheralls that input to the TCCM and ... |
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| 1999 Chevrolet Corvette 5.7L Hard start. VIN: 1G1YY22G9X Customer just purchased this vehicle. Fuel pressure drops off immediately after the pump shuts off. I plugged the return line on the fuel filter and the pressure still drops off. I disconnected the fuel line from the fuel rail and checked the pressure at the l... |
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| 2000 Chevrolet Suburban 2500 LT 6.0L fuel gauge VIN: 3GNGK26UXY Hello there I have this Suburban here with a gas gauge that stopped working but the low level light is on. Dropped the tank and replaced the wiring that had been replaced when the pump was replaced last. Put a resistor on the harness side of wiring and the gau... |
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| 2004 Chevrolet Blazer LS 4.3L Electrical VIN: 1GNCS13X14 This Blazer has no gear indicator and no odometer readout. Also no BCM codes. Have replaced the ignition switch and the lock cylinder because the lock cylinder was worn out and the weird thing is the readouts work in between off and run and in between run and ... |
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| 2007 Pontiac G6 2.4L Electronic steering VIN: 1G2ZG58B27 I have this '07 Pontiac G6 that the customer says the steering gets hard, no assist, she pulls over, shuts the car off and restarts it and power steering resumes, may do it a couple of times a day or may not do it for a few days, no codes stored, no worn or bi... |
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| 2004 Saturn Ion-3 2.2L Excessive Emissions VIN: 1G8AL52F54 Car Came In With Running Rich Complant. We Tested Sensor Reading And Fuel Trims Will Go From One Extream To The next. Seen As High as -50 on Short term Fuel trim. ( Seems Only to go that High On Acceleration). At Times ST Trimn Reading Will Drop To + 20 ( Usua... |
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| 2005 Saturn Vue 2.2L Instrument cluster VIN: 5GZCZ43D55 Hello. Have this Vue from hell. Just repaired the trans and them an issue with wiring to trans from underhood fuse block. Anyway had an issue with reduced power light issue. After performing many tests on connectors, TB, pedal, etc have shot the ECM. Do not ... |
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| 2007 Saturn Ion-3 2.2L MIL Lamp on VIN: 1G8AL55F87 hey guys need your help with this one my boss sold this car "finaced" i forgot to right down the code but I know its an accelerator pedal and tps correlation code. I aready tried a new throtle body and a new accelerator pedal with no luck. its intermittent som... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Cadillac Escalade 6.0L radio volume VIN: 1C12WG1GGH I ended up taking it to an audio shop that specializes in radios. Turns out amp was ok but head unit was bad. thanks for the replies and hope this helps someone else in the future. |
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| 2005 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC19X35 THANKS EVERYONE WHO HELPED!! I PULLED APART THE LOOM FROM THE COIL TO THE IGNITION MODULE AND FOUND WHERE SOME ONE HAD CUT AND SPLICED THE PRIMARY COIL WIRES. THEY JUST TWISTED THE WIRES, NO SOLDER OR BUTT CONNECTOR. JUST BLACK TAPE HOLDING THE WIRES APART, I'... |
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| 2011 Chevrolet Tahoe LT 5.3L unknown VIN: 1GNSKBE00B After trial and error, I have not eliminated the noise. I tried both the upper and lower intermediate shafts with no fix. I replaced the clock spring and still the noise was present. I googled this noise and I found out this is a problem with newer GM trucks. ... |
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| 1999 Oldsmobile Alero GL 2.4L instrument lighting VIN: 1G3NL52T9X i installed a jumper wire in fuse block that was long enough to use my low amp probe with the door shut. i graphed the current draw with lights on @ 2.6 amps. i than opened each door and when i got to the driver door amp's jumped to 18 momentarily with movemen... |
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| 2005 Saturn Vue 2.2L Communication Thanks to those whom replied to this post. Turned out that in the transmission removal process which requires separation of underhood fuse block, the wire that powers the TCM Ignition 1 voltage circuit 639 was damaged. I tested for continuity and seem fine u... |
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