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Professional Automotive Repair Technical Discussions for May 18, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Chevrolet Impala 3.4L Cuts out VIN: 2G1WF52E73 This 3.4L Impala came to me with an intermittent poor running condition and a coolant and transmission leak. The coolant leak was the intake gasket. I scanned it and it had and O2 sensor heater code and a random misfire code. I asked my customer how long it ha... Trouble codes: P1350 |
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| 2006 Chevrolet Impala SS 5.3L Misfire, MIL Lamp on VIN: 2G1WD58C96 The vehicle was presented with several codes. p1101 air flow correlation (actual vs expected) p0171 lean bank one p0420 cat efficiency p3449 Cylinder 7 displacement on demand deactivation solenoid control circuit. the 1101 resets pretty quickly (first in pendi... Trouble codes: P1101 (Actual Measured Air Flow.... not within range of calculated air flow), P0171, P0420, P3449 |
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| 2000 Pontiac Grand Am SE 3.4L Cylinder head VIN: 1G2NF52E1Y This Pontiac landed in our lap from another shop. The customer's original complaint was that the car would overheat and push coolant out of the overflow. The other shop replaced the water pump and t-stat. When I got it, I immediately performed a leak down test... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2011 GMC Sierra 2500 HD Denali 6.6L Excessive Emissions, MIL Lamp on VIN: 1GT125C83B This one is finally done, exactly what the cause was is not definite, did a Enable Re-Generation and drove truck for an hour while observing on Tech II the EGT temps, numbers were right up in the 1200F area and the system worked normally, soot level went right... Trouble codes: P2463. |
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| 2009 Pontiac G6 GT 3.5L turn signal VIN: 1G2ZH36N39 Thank you everyone for your feedback. You were absolutely correct in that we needed a new multi-function switch. Replacement was completed and everything is working good. Thank you |
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| 2008 Saturn Outlook XR 3.6L Poor Idle Quality VIN: 5GZER23728 When I cleaned the throttle body I did do an Idle relearn with scanner.Since vehicle was due for sparkplugs I went ahead and installed new AC Delco plugs and fogged 2 cans of seafoam through engine.This still did not fix problem.I changed Map sensor and let c... Trouble codes: P1400 (Cold start emission reduction control system). |
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