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Professional Automotive Repair Technical Discussions for December 26, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y7V Vehicle rarely starts. No comm with any modules; even when it occasionally starts it has no com when running either. Digital cluster; no speedo or odometer. mpg and hvac diplays dashes, but occasionally work. HVAC fan comes on and off with no input and no key ... |
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| 1991 Chevrolet LLV 2.5L pushrod{s} VIN: 1GBSC10A2M One week later it returned with #3 exhaust push rod off rocker but not bent.Put it back and ran engine with no valve cover for 20 minutes everything looks perfect.Inspected rockers pivots and pushrods and could find no defect.Could this be driver caused or a v... |
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| 2000 Chevrolet Silverado 1500 5.3L 2nd gear inop VIN: 2GCEC19T1Y I apologize for the long post, but this is a difficult situation. I really need the help of a transmission expert. Vehicle came in with a check engine light and code P0715 (1-2 shift performance) along with a complaint of a late shift and slip into 2nd gear.... |
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| 2001 Chevrolet S10 LS 4.3L Fuel Tank VIN: 1GCDT13W51 Looking for little help need a gas tank for this truck can't find one this is a 4 door (crew cab) gm part # [...] has been discontinued and as of yet no aftermarket that i can find any help is welcome thanks. |
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| 2003 Chevrolet Express 3500 6.0L No Start, Stall, MIL Lamp on VIN: 1GCHG39U13 Cust says it stalled and wouldn't start for 10 minutes after tune up. Had it towed in and started right up. P1626 code but no "U" codes. Also had lean bank 1 and 2 and misfire codes. Replaced intake gask's, cleared codes. came back next day and won't start. 5 ... Trouble codes: P1626 |
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| 2007 Chevrolet Monte Carlo SS 5.3L MIL Lamp on VIN: 2G1WL16C87 Hello all. I have this chevy monte carlo 5.3l in my bay that is throwing code p3400 cylinder deactivation system. When driving down the road it will try to go into 4cyl mode and it will kick in and out of it a few times then will not try anymore. If you turn o... Trouble codes: P3400 |
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| 1997 Oldsmobile 88 Royale 3.8L iginition lock cylinder VIN: 1G3HN52K3V customer complained of no start at times with security light coming on, after sitting for a time it will start. This is aaa different system then I am used to, it being older. I read a forum where you can by pass the pass key system by installing a passkey ful... |
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| 2004 Oldsmobile Silhouette Premiere 3.4L No Start VIN: 1GHDX13E64 No Crank.. check relay at radiator support , have voltage at red wire all the time and small pink with key on. jumper purple to red and it will crank with key on but only run for a few seconds. Check fuse at right side fuse box 10 amp and have voltage when key... Trouble codes: B3055 (No transponder moduation or no transponder) |
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| 1998 Pontiac Grand Am SE 3.1L No Start VIN: 1G2NE52M2W When cold outside, below 50 degrees, car will start and stall, security light flashes. Can run through one 10 min cycle of reset process and car will start. If I wait till temp is above 50 degrees car will start and run fine. After reset of security car will s... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Cadillac Fleetwood 5.7L 3rd gear VIN: 1G6DW52PXS Well, it appears I got a bad rebuild. Replaced the trans and haven't seen nor heard of the car since. Thanks for all the help guys! |
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| 2004 Cadillac SRX 4.6L Misfire VIN: 1GYDE63A04 I could not find the reason for the B1S1 Heater circuit error. After replacing the O2,and cleaning the Throttle body and mass airflow sensor we I found a vac hose that was disconnected in the back of the engine which was causing a lean condition. Well, the th... Trouble codes: P0030 (HO2S HEATER Control Circuit Bank 1 Sensor 1), P0522 (Engine Oil Pressure Sensor /Switch circuit Low Voltage), P0300 (Random Multiple Misfire). |
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| 1996 Chevrolet Lumina LS 3.4L Poor Idle Quality, Stall VIN: 2G1WN52X6T Ok guys here is what has transpired over the last 2 weeks. I greatly appreciate all the quick replies. After checking everything again..ie: Sensors, injectors, Vacuum leaks, backpressure etc i decided to tear the car down and do the job again from the beginnin... |
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| 2012 Chevrolet Silverado 2500 HD LT 6.6L smoke VIN: 1GC1KXC89C Thank you very much to everyone who took the time to respond. I kind of knew this project would be over my head to start with, I have very little experience working on these engines. I have not been able to get this truck back in the shop yet, If I find out w... |
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| 2010 GMC Acadia SLT 3.6L Hesitation, Cuts out VIN: 1GKLRMED9A recleaned throttle body and reset ilde according to alldata! Trouble codes: P2176. |
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