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Professional Automotive Repair Technical Discussions for December 6, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick Park Avenue 3.8L Low coolant light VIN: 1G4CW52L5R Low coolant light remains lit. Coolant level ok. Voltages listed are taken at the oil level module. I am looking for proper voltage requirements at all pins on oil level module and/or strategy of oil level module system. When coolant sensor is disconnected- vo... |
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| 2003 Cadillac CTS 3.2L Cuts out VIN: IG6DM57N93 This car was towed in for a no start condition. Sat for hour and started up and drove in the shop. If you leave it run for and hour or so it will just die. Like someone turned the key off.Let it sit for and hour or so and it will start back up. No codes, fuel ... |
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| 1994 Chevrolet Lumina Euro 3.1L No Start, Cuts out, Stall VIN: 2G1WN14T4R This problem started about two months ago but due to limited time to work on it because of the holidays i have been slow getting to testing some of it and may have forgotten something else i already tested and failed to mention. What happens is going down the... Trouble codes: ENG, ABS |
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| 1998 Chevrolet S10 2.2L no crank VIN: IGCCS144SW check repair history |
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| 2000 Chevrolet Silverado 1500 LS 5.3L Transfer Case, VIN: 1GCEK14T9Y Ok this is my personal truck and would like some help, All of a sudden it started with this virbation. Virbation got so bad it cracked the transmission adpater where the t case bolts up, Replaced it twice, Now i have prevented it from breaking now it just alwa... |
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| 2000 Chevrolet Express 3500 5.7L No Start, Stall VIN: 1GBJG31R9Y The customer complaint is a stall followed by a no start. This van has done this several times in the last month. I have driven this van a couple hundred miles and only got it to do it once and only for one start. It would not start but when I tried it again i... |
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| 2002 Chevrolet Astro 4.3L trans case VIN: 1GNE19X72B hi needing sum help service awd lamp on. code c0310 key on relay in control module clicks.5 volts at encoder motor a and b side.diconnect encoder motor 5 volts at plug a and b.check power and grounds at control module there good. switching control module on of... |
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| 2004 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCDT13X74 we verified the codes cleared and reset. went through the diag for p0135 assuming the cause might be the same for all 3 codes. the diag led us back to needing an ecm, and since we have had to replace ecm's for this problem in s-10s before it seemed reasonable.... Trouble codes: P0135 (HO2 Sensor heater performance bank 1 sensor 1), P0141 (HO2 Sensor heater performance bank 1 sensor 2), P0155 (HO2 Sensor heater performance bank 2 sensor 1) |
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| 2007 Chevrolet Corvette 6.0L roof not my normal field of work, but,removed scratch,now must repair scratch resistant finish to match original. polycarbonate plastic has a coating on it that i can not identify. got stuck with this, one any help will be appreciated. |
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| 2007 Chevrolet Avalanche LTZ 5.3L Misfire VIN: 3GNFK12317 Misfire is intermittent but always at an idle, it’s not a hard misfire that you can always feel but instead it will only leave about 10 counts in 1 minuet sometimes it will take 10 min before it will even miss once, and while its missing you can just barely fe... Trouble codes: P0302 |
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| 2009 Chevrolet Cobalt LT 2.2L tire light VIN: 1G1AT58HX9 I am trying to reset the tire pressure light on this vehicle and am not able to put the system into learn mode. According to motor all data you need to use the remote transmitter to put the vehicle into learn mode. But the vehicle does not have a transmitter. ... |
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| 1997 GMC Jimmy SLS 4.3L engine tapping VIN: 1GKCS18WOV hello fellow tech's-i bought a 1997 jimmy vin # [...] owner said the vehicle blew a freeze plug ,replaced and also new cyl.heads,obviously blown head gaskets and cracked head but just one,i replaced both from repatable machine shop.Everything was fine unt... |
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| 2003 GMC Savana 2500 4.3L starter VIN: 1GTGG25V03 owner came back in this am and is having the same problem when wet when it is dry out it never stays engaged . he just turns key to the on position and it cranks in the on rainy days only ??? |
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| 2007 GMC Envoy SLE 4.2L Stall, MIL Lamp on VIN: 1GKDT13S97 Please help. I have this Envoy that is kicking my rear. It sets a p060e after various driving times. Sometimnes as short as a few miles.Sometimes I have to drive it 40 miles. Last time the customer picked it up they drove it over [...]. When the code sets, ... Trouble codes: P060E |
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| 1995 Oldsmobile 98 Regency Elite 3.8L No Start VIN: 1G3CX52KIS Head-scrathcher gentlemen, Vehicle runs and starts fine. After a few minutes, vehicle will say on the instrument cluster 'HOT/AC DISABLED'. Car will shut off going down the road, scan tool reads 195F when this happens, but something is making the computer thin... Trouble codes: P1406, P0740, P0112, P0101 |
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| 1999 Pontiac Grand Prix GT 3.8L Shift interlock VIN: 1G2WP52K0X Greetings IATN techs. This 99 Grand Prix, console shift a/t, has the usual shift interlock problem and needs the shift lever/switch assy replaced so you can turn the key cylinder to the lock position to remove the key. Right now you have to wiggle and jiggle t... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1976 Cadillac Eldorado 8.2L Mechanical Thank you to everyone who responded to this post. After reading all the info you all sent I decided to take the timing cover off and take a look at the cam. Turns out the replacement cam gear is not as thick as the orginal. This little bit of difference allowe... |
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| 2000 Cadillac Catera 3.0L headlights VIN: W06VR54R1Y turned out to be a couple of things first we found a shorted out turn signal socket & high beam bulb installed incorrectly .It had enough of draw to short out headlight switch & multifuntion relay .we haven't heard from customer been gone a week ,I'm calling i... |
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| 1999 Chevrolet Tracker 1.6L No Start VIN: 2CNBJ1861X thanks for help run wire to injector runs fine ? on 102 splice my be in ecm did not check for burn ic board sounds good thing to check car was gone |
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| 2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W11 I WANT TO THANK EVERBODY FOR THERE HELP. SHIM ON THE CRANK SENSOR SEEMS TO BE WORKING. Trouble codes: 335 (Crank sensor circuit). |
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| 2001 Chevrolet Silverado 1500 HD LT 6.0L 4x4 shifting VIN: 1GCGK13U41 Hello fellow technicians. I found that the new aftermarket encoder motor was faulty and I install 2 of them with the came results. I had retested all circuits and came up with the encoder motor again and installed a NEW GM encoder motor and all systems work ... |
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| 2003 Chevrolet Express 2500 4.8L No Start, MIL Lamp on VIN: 1GCGG25V23 o.k guys i want to thank all of you who responded to my help- this problems shows that even when you do ohms test the wires you cant stop there. i recheked & followed test per all data. followed yellow wire or ckp signal wire from side to side ,used power prob... Trouble codes: P0335. |
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| 2003 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire VIN: 1GCHK23103 Thanx for all the replies. To summarize the repair, all 8 fuel injectors were replaced as a set. We did not purchase the tool required to remove them, yet instead removed the rocker arms and shaft as an assembly keeping the end rocker shaft hold down bolts in ... |
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| 2004 Chevrolet W4500 Tiltmaster W4S042 6.0L Hesitation VIN: 4KBC4B1U94 Thank you Rob, Tom and Thomas for taking your valuable time to respond. U1041 code was the ABS module. So it went to the dealer because evidently need a new module and reprogram. As far as the isue with the key we didn't find nothing sense it only happend once... Trouble codes: U0107 (Lost com with throttle actuator), U1041 (Loss of EBCM/EBTM Communications). |
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| 2005 Chevrolet Colorado Sport 3.5L Misfire, MIL Lamp on VIN: 1GCDT13655 after a head replacement still the same problem ,finaly the problem was the injector screen .they were full of dirt ,the owner tell me that i drove the truck for 2 months whitout the fuel cap so after a good injector clean up it ran fine .and that is weard be... Trouble codes: P0305 (Misfire cyl 5). |
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| 2006 Chevrolet Colorado LS 2.8L Cuts out, Stall, Misfire VIN: 1GCCS14846 drained all fuel from truck and refueled with high test.4 more platinum plugs and it started.We are not sure what was in it,looked like gas, smelled like gas but when burnt it smelt funny. thanks to all who said test fuel. |
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| 2007 Chevrolet Tahoe LT 5.3L IPC backlighting won't turn off VIN: 1GNFK13037 This truck is working now but not fixed properly. I pulled the #46 radio fuse and the customer took back to his stereo guy who just moved the spaghetti around. He tied in to a different power feed, so I have to leave the #46 fuse out or the backlight problem ... |
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| 2008 Chevrolet Silverado 2500 HD LT 6.0L Fast idle VIN: 1GCHK23K18 thanks for all the replies (10) we installed a new throttle body, drove it numerous times, 10to 30 miles at a time. we finally took it on a 80 mile trip, still no relearn. we took it to a friend of mine , who has a tech2 he relearned it and now it is fine. th... Trouble codes: P0121, P0690, P2119 (Throttle closed position perf), P0507. |
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| 2002 Oldsmobile Bravada 4.2L temp control VIN: 1GHDT13S02 Sorry for the delay in posting a fix, we still haven't got this back in to re-check it, several replies indicated a possible ambient temp. sensor problem which is what we will look into when vehicle comes back in. Thanks for the replies. |
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