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Professional Automotive Repair Technical Discussions for May 15, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Buick Park Avenue 3.8L 2nd 3rd 4th gear VIN: 1G4CW52K9V I drove vehicle 40 mil round tip parked ran into the town office hoped back in and no shift 1st gear only. windows and door lock's inoperable the interior light's do not come on when door's are opened. when doors work the trans shift's fine. No code's pcm ,bcm... |
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| 2008 Buick Lucerne CXS 4.6L Fuel pump relay VIN: 1G4HE57Y38 Hello, I have this Buick that I have replaced the fuel pump, fuel relay and fuse in. The fuel fuel pump is OEM. Noticed when I replaced the relay it was burnt and also one of the terminal holes in the box was slightly melted also. Vehicle ran fine for a day, t... |
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| 1993 Cadillac Eldorado Touring 4.6L Lighting VIN: 1G6EL1293P hi to all ive got my farthers eldorado intermittently the dash and hivac goes out changed the ignition switch and ck all the grounds just when you think you have it fixed it goes out again wondering if any one has ran into this problem also sent dash out for r... |
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| 2004 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on VIN: 1GCDT13XX4 This truck came in with a misfire at idle and on moderate and hard accel. but it goes away if you lift the rpm very slighty off idle. With the scanner on it shows cylinder #3 on misfire monitor. I found #3 wire and the distributor cap corroded at dist cap so r... Trouble codes: P0300 |
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| 2006 Chevrolet Malibu LS 2.2L Dash Lights & Tail Lights VIN: 1G1ZS53F36 Ok guys, we got this malibu that blows #6 10 amp fuse in the rear fuse panel, about every 3 months. When it happens the dash lights, and all running lights will not work. The customer will replace the fuse and it works again for a couple of months. It is so ra... |
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| 2007 Chevrolet Equinox LS 3.4L Stability Control VIN: 2CNDL13F97 The Traction Control System and Stability Control System Light is on. Code is C0561-System Diabled Information Stored Invlid Serial Data Received. I need some helpful input and advice. Customer will bring the car back sometime next week. Have anyone see this c... |
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| 1993 GMC K3500 Sierra SLE 6.5L transmission, abs VIN: 1GTHK34F1P Hi, this truck came in with no upshifts, couldn't get any data from tcm. found and replaced fuse #10 ecm and ignition fuse. road tested popped fuse again. looking at wiring diagram that circut branches off and goes through the brake switch. I cut the wire befo... |
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| 2004 GMC Envoy SLE 4.2L powertrain VIN: 1GKDT13S34 swapped coils and spark plugs, spark plugs are ac-delco. no improvement misfire only at idle vehicle drive ok on freeway and city speeds. misfire is moderate. |
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| 2006 GMC Sierra 1500 SL 4.3L Hesitation VIN: 1GTEC19X06 client came in with poor running condition 5 moths ago...found cat converters on both side plugged...client stated at that time run badly bit would run worse at times...when converters were replaced all was well..,,client was very happy and drove away pleased ... |
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| 2001 Oldsmobile Alero GLS 3.4L Mechanical VIN: 1G3NF52E21 Car came in with #1 and #4 miss fire codes. Performed tuneup with coils codes didn't come back. While driving, you can feel a miss randomly,but it won't set a code. Before we had over 15,000 missfires on 1 and 4, now while driving with the scan tool, 1 and 4 w... |
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| 2005 Pontiac Grand Prix 3.8L air system VIN: 2G2WP52215 what did i over look. did i waist my time fixing the air pump housing. |
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| 2005 Saturn Vue 2.2L Stall VIN: 5GZCZ43D85 Hi, fellow techs. I have a problem with a05 saturn vue. It intermittantly loses throttle control. You can be driving along and go to accelerate and nothing. Engine continues to run fine but there is no throttle resonse. While coasting after vehicle has no thro... Trouble codes: P2138 |
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| 2007 Saturn Ion-2 2.2L No Start VIN: 1G8AJ55F07 ok well the car came in as a no crank and vtd codes also lock cyl binding.Trace down vtd codes to faulty bcm.Replaced the bcm and ignition switch that has passlock ckt in it also replaced lock cyl due mechanical fault.Reprogrammed and relearned all of that and... Trouble codes: P1630 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet Silverado 2500 HD 6.6L Transmission VIN: 1GCHK23131 Thank you to all who replied. The final fix to this truck was a trans service with the proper internal filter. I had reprogrammed TCM and resets TAPs, Removed and greased rear yoke and checked u-joints and rear end play. The fluid was nice red and full to the ... |
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| 2006 Chevrolet Equinox LT 3.4L Cooling Systems VIN: 2CNDL63F86 Thanks for all the replies, This engine does have coolant passages in the intake, however it is NOT possible for it to leak from a coolant passage into the air intake runner & dump in the cylinder via the intake gasket. The passageways are seperated by the pus... |
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| 2007 Chevrolet Tahoe LTZ 5.3L Co300 Rear Drive Shaft Speed Sensor VIN: 1GNFK13067 Tested wires from t-case control module, wires are ok. Replaced t-case module, code is now gone. Had to program new module also. Thanks for all the help and replies |
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| 2011 Chevrolet Cruze LT 1.4L timing chain VIN: 1G1PF5S93B Thanks so much everyone! I checked the valves and they were not bent. So I am going to buy the tool to set the variable cam timing actuators($300). The tool for the rear of the cams is close enough to a Ford 2.0L cam tool that I'm going to use it. I'm going to... |
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| 2003 GMC Savana 1500 4.3L Misfire VIN: 1GTFG15X03 Ok! Gentlemen, Let us close this longest road to a California Smog Check Ever. Just a tidbit that caused the most confusion with this vehicle was its inability to store Individual Cylinder misfire codes. It will only store P0300 random misfire code. To find... Trouble codes: P0300 (Missfire occurs in 2 cylinder only). |
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| 2004 GMC Envoy SLE 4.2L secondary air pump VIN: 1GKDT13S94 Yes it was as most of you said the check valve on the right side of the head. I did not know this could allow so much water in the tubing. |
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| 2004 GMC Envoy XL SLE 4.2L Misfire, MIL Lamp on VIN: 1GKET16S04 I appreciate all of the replies and help. I checked the intake manifold for leaks and loose fasteners, found some of the bolts had loosened and backed out. Resealed and reinstalled manifold. Could not make a case for a leaky regulator, but replaced it while wo... Trouble codes: P0300 (Misfire detected). |
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| 2008 Saturn Astra XR 1.8L MIL Lamp on VIN: W08AT27178 Replies ranged for code definition from seatbelt pretensioner to CD player signal. Lee had it right concerning LF ABS circuit problem. This being a European car with a GM name on it is probably what threw everyone off. I measured resistances of both sensors th... Trouble codes: B1232 (Cannot find defination). |
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