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Professional Automotive Repair Technical Discussions for September 13, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Cadillac DeVille 4.9L Excessive Emissions VIN: 1G6CD13BOM Hey guys thanks in advance...i have tested all load sensors and found no problems suspect pcm, but not sure need some more input has anybody seen this before 10% co 525ppm hc fuel presure is also good at 46psi regulator is not leaking please help thanks |
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| 1999 Chevrolet Express 2500 5.7L MIL Lamp on, VIN: 1GBCG29R8X This vehicle came in with check engine light on, no drivability issues. Code po134 stored for Bank 1 Sensor 1 oxygen sensor no activity. Scan tool data revealed voltage stuck at 450mv. Replaced Sensor with Denso Aftermarket Sensor, cleared codes and scan tool ... Trouble codes: P0134 |
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| 2002 Chevrolet Astro 4.3L does not turn off VIN: 1GCDM19X02 Fellow techs this van does not turn off when you turn the ignition off and pull the key out. The engine stays running for about 5 to 10 minutes after you pull key out of ignition. I took a guess at the ignition switch and problem is still there. Intermitent...... |
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| 2003 Chevrolet Trailblazer LS 4.2L smell of fuel VIN: 1GNDS13SX3 Customer in complaining of a raw fuel sell coming from vents(on fresh air mode) it can also be smelled outside the truck. I have smoked the evap lines and found no leaks. I just updated to a sponser so I looked through all the post related to fuel and could fi... |
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| 2003 Chevrolet Astro 4.3L draw VIN: 1GCDL19T73 hello techs, please help, i have this van here, it came in for battery going dead in a few days. so went and disconnected my battery neg termanl, connect dvom between, and have a reading of .007ms, what i'v found on mitchell should have only .03 ma is max,star... |
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| 2003 Chevrolet Silverado 2500 HD LT 6.6L Left front axle seal VIN: 1GCHK29173 Can't get left front axle out of 9.25 inch diff. Just how hard to you have to hit it? Or is there another way? Thanks for any help. |
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| 2003 Chevrolet Silverado 1500 5.3L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2GTEC19T83 Group need some help on this one. We had in the shop 2 weeks ago for code p1516. I found a broken wire at the throttle body connector. We replaced the connector and throttle body with new gm parts. Test drove and truck did great. Before repair you could not dr... Trouble codes: P1518 |
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| 2005 Chevrolet Suburban 2500 LT 8.1L Hesitation, Surge, Misfire VIN: 2GNGK26GX5 under part throttle up a hill the engine feels like it is missfiring, but no missfires show up on the moniters. at half or more throttle it doesnt act up. power brake the truck and it doesnt act up. the truck never throws the check engine light. |
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| 2007 Chevrolet Colorado LT 3.7L low pressure light on VIN: 1GCDT13E47 I can't get the Tpms system to go into learn mode. I Have tried to Set parking Brake and the turn ign on with out starting engine and then turn the parking lights on and off 4 times in 4 sec's and it does not work. no horn chirp. I tried that many times and wa... |
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| 2008 Chevrolet Silverado 3500 HD LT 6.6L remote start VIN: 1GCJK396X8 Hey guys, this is my personal truck, Bought it like this. remote start dont work, cant find anything on alldata. or iatn about remote start.Is there its own module somewhere?i would like to know what controls this to see if i could look and see if its missing.... |
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| 2001 GMC Sierra 2500 SL 6.0L Engine Ctrl VIN: 1GTGK29UX1 2001 GMC with a 6.0 Non-Throttle actuated control. Vehicle races to 2000RPM after 30-45 minutes of run time. DTC p0302 CMP sensor circuit low voltage and p0507 Idle speed high occur simultaniously with high idle condition. Truck can be idling for 45 minutes wi... |
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| 2007 GMC Sierra 2500 HD Classic SLE 6.6L fuel knock at idle VIN: 1GTHK23D77 i have this 07 lbz that has a fuel knock at idle no smoke or codes 1500 rpm no knock i have put 2 new injectors in on cylinders with higher balence rate but was still in spec balance rate on all cyl are #1 -1.7 #2 0.5 #3 0.2 #4 o.6 #5-1.2 #6-1.1 #7 2.6 #8 1.1 ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Chevrolet Impala 3.8L Hesitation, Cuts out, Misfire VIN: 2G1WH55K21 As most of you suggested the cat was the problem I sent it back to the shop it came from because his customer would not go for a oem convertor. They replaced so many parts on this car I don,t no if the cat problem was from a running problem or just the G M bad... |
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| 2006 Chevrolet Colorado LT 2.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCCS19876 I would like too thank those who replied,On another IATN post I read about taking the solinoid apart so I did the Original solinoid with the missing screen, the plunger was sticky I cleaned it all out with brake cleaner lubricated it with oil and intalled it i... Trouble codes: P0017. |
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| 2008 GMC Sierra 1500 SLE 5.3L abs VIN: 2GTEC19J48 thanks fo all the help, come to find out GM does not offer 410 gear for a 2 wheel drive vehicle with the trans thats in the truck and with the 5.3 engine.the lowest gear ratio they offer is 373.so there is no vci # that can be changed to fix my ABS or speedome... |
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| 2001 Oldsmobile Aurora 4.0L d/s power window VIN: 1G3G564C91 Well I didn't realize this car was as advanced as it is. I mostly work on truck and vans, fleet vehicles. I did check for broken wires at the door jam but it was in the dark out in the parking lot. The customer has not been back yet so I haven't able to hook u... |
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