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Prev Professional Automotive Repair Technical Discussions for May 22, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2003 Buick Century Custom 3.1L dash warning lights VIN: 2G4WS52J03
turn ign on and dash warning lights blink.turn key to start lights go out but no starter,under dash flasher still clicks.turn on 4ways and every thing works normal. i THINK i know what the problem is acording to Joseph from NY on dec 12 2007 it maty be the ign...
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1999 Chevrolet Silverado 2500 6.0L No Start, Misfire, hard start VIN: 1GCFC29U0X
This K2500 starts hard cold, and will run rough or misfire during the first 10 to 15 minutes. It does not happen all the time. It has correct fuel pressure, coolant temp, T.P.S. are good. Other scan data appears correct before and during cranking. Crank sensor...
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2001 Chevrolet Impala LS 3.8L Misfire VIN: 2G1WH55K51
2001 impala, 3.8, only a p0300 misfire code, engine loses power and back fires threw intake under load at about 200-2500 rpm. Allready checked, maf, tps, map, plugs wires and coils. Air intake clear, fuel pressure in range! what else is there? ign moduel?
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2002 Chevrolet Silverado 2500 HD 6.6L lack of power VIN: 1GCHK291X2
Hi group. This pickup came to me because of a no start problem. I found the fuel filter head leaking air and making the injection pump loose prime over night. It had already been to another shop because of low power and lots of smoke. That shop put in new inje... Trouble codes: P1093 (Fuel press. low during power enrichment), P0087 (Fuel rail press. low)
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2004 Chevrolet Silverado 2500 HD 6.6L Vss VIN: 1GCHK24144
I'm looking for a good source for a two conductor, twisted & shielded harness to run in place of circuits 821 and 822 from vehicle speed sensor to TCM. Something like an ABS WSS harness would be perfect. But I need it on a spool. Thanks in advance.
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2005 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC12F55
Help... This little Cavalier has been towed in now for the 3rd time and our customer is notttttt happy. Vehicle came in as a no start on the hook. It had no fuel pressure. Would run on propane induced to the intake. Standard issue bad pump, right? Well, we re...
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2014 Chevrolet Cruze LTZ 1.4L Ign. VIN: 1G1PE5SB2E
Ok looking for info cause this is still under mfg. Warr. It's one of my sons car ,what happins is the radio will start cutting out, then all systems go dead but then come back stg, gets hard. Then we shut it off and could not remove key. And would not re-start...
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2008 GMC Sierra 3500 HD WT 6.6L Hesitation, MIL Lamp on VIN: 1GTJK33638
This truck drives ok under normal load but when accelerator is held to the floor it has no power, very low fuel rail pressure showing on scanner and goes into reduced power mode. I'm going to pull the fuel tank next week and clean the entire system any tips wo... Trouble codes: P0087, P0401
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Fixes & Summaries for GM
Fix/Summary Answers
2006 Buick Lucerne CXL 3.8L door lock VIN: 1G4HD57276
I was able to get one door open by pulling up on the lock as hard as I could and snapping the the door handle, the other side not so lucky. It still refused to open.My customer decided to fix the side that opened so she could use the back seat again, an easy r...
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1999 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR52R6X
first of all thanks to all of you who responded.90% of you the replies helped to put the fix on this unit.it was indeed a defective M.A.F. sensor.it was our shop foreman who decided to stab a couple of o2 sensors,,,not a cheap poke and I certainly know better.... Trouble codes: P0171, P0174.
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2006 Cadillac STS 3.6L Traction control VIN: 1G6DW67716
a big thank you too the responders. Summary, the 2 Snap On Solus scanners I used ; a Pro and a borrowed Ultra would comm with the 2 high speed modules ECM?PCM Transmission control module. They would not retrieve codes or data from the class 2 low speed node...
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2000 Chevrolet Venture 3.4L Unknown VIN: 1GNDU03F7Y
I greatly appreciate all of the input. After discussing with the customer what the consensus was, he opted to drive the vehicle until the transmission completely fails. It is not in the budget to replace the transmission at this time. Thanks very much for taki...
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2002 Chevrolet Silverado 1500 4.3L Mechanical VIN: 1GCEC14W52
Finally fixed this one pulled up stream O2 sensor on bank one and truck ran like a champ. changed y-pipe and truck is running like a top now. thanks for all the help some times you get so caught up in the diag you forget to check the simple stuff.
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2004 Chevrolet Silverado 1500 5.3L Hydraulics VIN: 1GCEK19T34
Thank you fellow IATN'ers! Bill,Aaron,Tim and Noah were correct. One pin on each of the rear calipers was stuck hard. Aaron mentioned that the rotor would flex...that is what was happening,everything would flex and spring back on the rear brakes so there was a...
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1995 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GR62C0S
Thanks to everyone for the input. I never could find a way to manually read the codes but after a few convincing calls to my local GM store, they agreed to try and scan it and we had success. My customer asked me to thank everyone who helped. CHEERS!!
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1998 Oldsmobile Silhouette Premiere 3.4L Coolant sensor VIN: 1GHDX03E8W
I put the original temp sensor back in and now both gauge and pid show overheating. Only overheating when driving. Found a misfire on cyl 2 on startup, after sitting overnight. Misfire goes away as soon as you accelarate. found water getting on plug. Sent ...
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2008 Pontiac G6 2.4L VVT Solenoid VIN: 1G2ZF57B88
I have resolved the problems the vehicle came in for, and have returned the car to the customer. Let me begin by explaining that this vehicle has a aftermarket warranty, so between the shop owner, vehicle owner, and warranty company there was some difficul...
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