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Professional Automotive Repair Technical Discussions for November 12, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Chevrolet Suburban 1500 LS 5.3L fuel VIN: 3GNFK16Z14 I have this Suburban with a 5.3 vin Z flex fuel engine. The engine is bad and customer has a good used same year 5.3 vin T gasoline engine. Is it possible to make this swap? What other parts would have to be changed? Thanks |
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| 2006 Chevrolet Express 3500 LS 6.0L MIL Lamp on VIN: 1GBJG31U86 Hi guys, hope I can get some help here. This Van is actually a small school bus. Intermitently this bus sets a P0300, and the mil flashes. The driver states that no other symptoms are noticed. I have been unable to duplicate the problem while driving, but I no... Trouble codes: P0300 (Random missfire) |
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| 2007 Chevrolet Impala LS 3.5L No start, no dome lights, no PRNDL indicartion VIN: 2G1WB58K07 07 Impala LS, U0140, towed in, symptoms are as such: no crank, no PRNDL indication on cluster, no interior lights, no window operation, several error messages on dash. Key stuck in ignition, and cant get out of park... Tested for power and ground at BCM, about... |
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| 1999 GMC C3500 Sierra SL 6.5L No Start VIN: 1GDKC34F4X This is a bucket truck that is equipped with remote engine start and shut off so person in bucket can start the engine. I'm not very experienced with security issues and my modis and Autel don't seem to have any access for body or theft system. The security li... Trouble codes: P1626 (vech theft deturant controller serial data), U1000 |
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| 1999 GMC C3500 Sierra SL 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GDKC34J3X Please help with this nightmare. Vehicle back again after we thought we had the problem fixed. Truck runs great when it is cold but after a few days will run consistently poor only when hot. Unrelated to the issue in the last year we have replaced ignition par... Trouble codes: P0172 (Fuel Trim System Rich Bank 1), P0175 (Fuel Trim System Rich Bank 2) |
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| 1995 Pontiac Firebird Formula 5.7L Excessive Emissions VIN: 2G2FV22P3S Hello~ Vehicle failed emissions testing due to high NOx, We try must of possibility, like replaced fuel pump (was hard start), o2 sensor, egr valve & solenoid, & ecm. when testing with dyno, egr solenoid duty is not acting, 0 % , Only it work when sudden-accel... |
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| 1999 Saturn SL1 1.9L Mechanical VIN: 1G8ZH5287X On first Start Up Trans Wont Go Into First Or Reverse Unless You Put It Neutral And Hit The Gas Then You Can Put It Drive Or Reverse And It Will Move If You Drive It For About 10 Mins You Can Shut IT Off And Start It Back Up And It Will Go Right In Gear But If... |
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| 2002 Saturn L300 3.0L Stall VIN: 1G8JW54R02 This car came in the shop not running. We let it set till next morning and it started right up, but after running 15-20 min it died. Using a scan tool after it died it showed no RPM while cranking engine also had a PO335 code. We checked the crank shaft sensor... Trouble codes: P0335 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y65 Thanks for all the input. Unfortunatlly I was not able to fix this problem. We tried everything short of replacing entire wire harness. Unplugged all connectors, cut various wires at pcm, applied 5 volt power to TPS sensor, rewired sensor, cut all other 5 v... Trouble codes: P0172 (Throttle Position sensor circuit low/short), P1811 (Max. Adapt and long shift). |
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| 2009 Chevrolet Traverse LS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEV13D69 Due to the fact that you DO indeed need the special tools to do the injector work and since it was covered yet under warranty I hauled this one to the dealer for my customer. Dealer found a stuck-open #5 injector and a damaged #5 piston, both of which were rep... Trouble codes: P0305, P0087 (Fuel Rail pressure low), P02AD, P0191 (Fuel rail pressure/performance), P0134 (02 circuit no activity B1S1). |
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| 2001 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH52831 Thanks for all the feedback guys. I found the ports on the exhaust manifold clogged with carbon. After clearing them out, its working properly. Trouble codes: P0410. |
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