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Professional Automotive Repair Technical Discussions for July 31, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Cadillac DeVille 4.6L security VIN: 1G6KD54Y9W Vehicle towed in with display message "Wait 3 minutes" on cluster...no crank condition vehicle has remote starter installed.. ignition key bypassed/ resistance is ok going to ipc code stored p1632 before going further need to know if anyone has seen this c... |
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| 2005 Cadillac STS 3.6L Ignition.. VIN: 1G6DW67735 We are repairing a 2005 Cadillac STS for a client, and the vehicle will not start. The Odometer display reads "Starting Disable" Vehicle had some damage to the front end. Engine was not affected. Starter will not turn at all. This vehicle is equipped with the ... |
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| 1992 Chevrolet Camaro Z28 5.0L Safety VIN: 1G1FP23F2N car came in with air bag lite on . hooked up scanner and it has 2 codes . #24 #34 and i can limited info on lthis. All i can find is low voltage from key on power. Any help or what to check would be great |
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| 1992 Chevrolet S10 Blazer Sport 4.3L No Start VIN: 1GNDT13W2N OK Chevy techs, this ones for you. While driving on hwy this thing just quit running like the switch was turned off. Towed in and checked for fuel pressure. 45PSi .NPF Just had added gas day the before so I know it's not empty. Fuel pump runs with key on . che... |
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| 1997 Chevrolet Astro 4.3L Hesitation, MIL Lamp on VIN: 1GNDM19W3V i am experiecing a case of HIV (HAIR IS VANISHING) over this van. It barely runs and has No power at all. once you get it started it takes a few times by pressing the gas pedal on and off to clear it out so it can rev up. If you put it in gear it will only go ... Trouble codes: P0341 |
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| 1999 Chevrolet Cavalier Z24 2.4L valve train VIN: 3G1JF12T9X thanks in advanced other tech replaced oil pump now code po325 knock sensor and noisy valve train checked tensioner ok but no pressure behind tested oiling system with in spec at idle and 2000 rpm any help would be apreciated checked oil filter ok no blockage ... |
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| 1999 Chevrolet Silverado 1500 5.3L 1-2 shift solenoids VIN: 1GCEK19T6X Ok , got a weird one here. Customer states that trans started shifting hard, intermittently. He would turn key off and restart truck and would be good to go for several months. Then it seemed like it was slipping for him ?? He would turn key off and restart tr... |
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| 2001 Chevrolet Venture LS 3.4L high idle VIN: 1GNDXO3E61 hello everybody i need help with a 01 venture 3.4 the problem is it has a high idle the tps reads 2.0 volts at idle and 4.46 at wot the van idles any where from 1200 to 3000 i cant find any vaccumm leaks the iac reads 60 counts at idle if i use the scanner to ... Trouble codes: 121 (tps performance), 122 (tps high), 1122 (tps low) |
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| 2003 Chevrolet Express 3500 6.0L No Start, NO COMUNICATION VIN: 1GCHG39U03 vehicle towed in as a no run. on initial check, vehicle runs but no gauge operation and alternator light on and vehicle is charging. no scan tool comunication. no power at dlc and fuse good. ran seperate power supply to pin 16 on dlc but still no comunication. |
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| 2004 Chevrolet Express 2500 5.3L Mode VIN: 1GCGG29V34 This van recently landed in my bay - it has an HVAC mode problem. From what our driver can tell me (it is the parts delivery van) it blows OK in vent and floor modes, but when switched to defrost it will intermittently not blow air out. She says she can't hear... |
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| 2002 GMC Envoy SLE 4.2L actuator VIN: 1GKDT13S22 Complaint of no front-axle engagement in four wheel drive: auto, high, or low. Checked electrical at switch, at transfer case shift-motor, and at front axle shift actuator. All OK. Front actuator works, but front axle just "ratchets". Front driveshaft turns, b... |
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| 2005 GMC Envoy SLE 4.2L Hesitation, Stall, MIL Lamp on VIN: 1GKDT13S85 Let me start by thanking everyone who replies. After replacing the cylinder head, using special tools to hold the timing chain, the vehicle runs great until the camshaft actuator starts sticking. If it sticks at 0% it runs fine but sets a dtc p0017. If it stic... Trouble codes: P0017 |
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| 1993 Pontiac Grand Prix SE 3.1L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1G2WJ14T8P Please help me!!! this is one of those nightmares every mechanic hates... they broght this car to me to take a stab at it. it has been to several shops locally but no one has been able to fix it. It idles fine well it actually lopes when it idles but it will i... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Cadillac Seville SLS 4.6L No Start VIN: 1G6KS54YXX The vehicle was fixed with a new pcm. It acted like a security problem because the passlock 3 couldn't communicate with the pcm. Trouble codes: U1255 (Communication error). |
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| 1996 Chevrolet K1500 5.7L Misfire VIN: 1GCEK14R8T First let me say thanks for the great replies I recieved. After reading I decided to R&R the intake to look at the upper and lower gaskets. This also gave me a chance to view the injector tubes. I found no indication of leaking upper or lower gaskets. I did re... Trouble codes: P0134 (p0135-), P0135 (p0137-), P0137 (p0300-), P0300 (p0420-), P0420 (testing and results). |
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| 1998 Chevrolet C3500 Cheyenne 7.4L Misfire VIN: 1GBKC34J6W many of you guys nailed it. it was a junk aftermarket cap. when i checked resistance there was continuity between 3 and 5. replaced cap and rotor and it ran fine. Thanks a bunch guys. |
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| 2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Surge VIN: 3GNFK16T61 thanks everyone who replied,i gave the costumer a few days to drive the vehicle and so far so good.we only replaced the spark plugs ,the vehicle had brand new autolights we put on ac delco and problem fixed.thankyou iatn. |
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| 2005 GMC Envoy SLE 4.2L No Start, Cuts out, Stall VIN: 1GKDT13S55 Thank your you all for your replies. I cleaned the throttle body/plate but the codes kept coming back, i followed the flow chart for code p2135 that led me to changing the throttle body and the vehicle started right up. things i learned while working on this ... Trouble codes: P2135 (tps 1-2 correlation), P2119, P2101, P1516. |
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| 2004 Saturn Vue 3.5L Compressor? VIN: 1341554311 Thanks to all who responded.After much research and phone calls, we installed a New Saturn /Supplied "updated" compressor that was a revision of the original we installed. Vehicle has been out 4 days, and client has said aok at this time. Note. The original un... |
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| 2004 Saturn Vue 3.5L A/C compressor VIN: 5GZCZ53464 Hi all, after put three Reman compressors, same result, no compression at idle, ordering compressor thru LKQ, put it in, everything works fine, some how the rebuilder could not rebuild Saturn Vue compressor! Thanks alot for all hour help. |
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