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Prev Professional Automotive Repair Technical Discussions for March 20, 2013
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Open Help Requests for GM
Help Request Answers
2008 Cadillac Escalade 6.2L Lift gate VIN: 1GYEC63878
Lift gate motor inop. tested powers and ground = ok, tested switch in door = ok. removed motor from lift gate gear box. motor works good.remote door lock works good, I am having trouble testing limit switch. cant find any TSB's in all-data. call my gm tech, he...
2004 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEC16ZX4
Hi there, This vehicle has a miss on every cylinder on the driver's side. TSB's indicate a possible intake manifold gasket leak. I can't confirm the leak with any testing so I thought I would ask before tearing into it. What is the likelyhood that it is the pr... Trouble codes: P0171 (Lean bank 1), P0300 (Miss)
2007 Chevrolet Impala LT 3.5L fuel gauge VIN: 2G1WT58K07
Hello, We have a problem with the fuel guage. The customer stated that when it gets down to a 1/4 tank it runs out. The problem is it does not do this all the time. We replaced fuel pump and module-level sensor asm twice. The last time the custmer stated that ...
2010 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality VIN: 1GNUKHE3XA
Mil is not on, however, vehicle still runs slightly rough at idle, usually when hot, idling in gear. I am a Subaru specialist, not up to speed on GM, but consented to look at vehicle. Wondering if vehicle has multiple problems or does it have an issue that is ... Trouble codes: P0011 (intake cam position), P162B, P0131 (O2 signal low B1S1), P0133 (signal slow B1S1), P0137 (O2 signal B1S2)
2007 GMC Acadia SLT 3.6L Breather System VIN: 1GKER337X7
Thanks for help in advance. This vehicle came back after 4,000 miles for an oil change and intake tube was full of sludge again. Re-cleaned and spent more time verifying breather flow. Added some ATF in with oil as a mild cleaner. Had customer back in 1,000 mi...
2003 Oldsmobile Alero GL 3.4L Starting VIN: 1G3NL12E73
Hello techs, I need some input on this one. This Alero will not start after sitting overnight. If you give it a shot of ether, it will fire right up and runs fine. It will restart without a problem. It has no codes and all of the data pids look good. LTFT was...
2005 Saturn Vue 2.2L No Start, MIL Lamp on VIN: 5GZCZ43D55
Good afternoon. 2005 Saturn Vue 2.2 Ecotec Auto. Vehicle cranks with no start. Check engine and wrench light on. Multiple U2105 codes present and stored. Gas gauge reads empty and fuel light on. Added 5 gallons of fuel. Checked all grounding locations 1. At EC... Trouble codes: U2105

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Silverado 3500 6.6L Hesitation, MIL Lamp on VIN: 1GBJC33275
Wow, finally nailed this one! The injector harness had a break inside the insulation to # 7 injector. Replaced the connector from GM part #[...] $108.00. Priced out the complete injector harness it is part #[...] $487.00. Hope this can help someone alse.... Trouble codes: P0207, P0299, P2146.
2009 Chevrolet Equinox LS 3.4L MIL Lamp on VIN: 2CNDL13F49
sorry for the late close. i wanted to make sure its fixed. i checked all the connections as many of you mentioned. all connections at the ecm and the throttle body were good. replaced the throttle body with brand new a/c delco did the relearn and a full driv... Trouble codes: P0121, P0171, P0300, P2119, P2135.
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