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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 7, 2022
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Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW 335i 3.0L Feels like a Misfire VIN: WBAVB73537
This 335i feels like it is misfiring. I am getting the slight jerk like a misfire multiple times when under light throttle. I can get it to do it continuously for a few seconds going uphill. It mostly does it uphill under load, but will do it downhill also...
2002 Chevrolet Impala 3.4L Door Locks VIN: 2G1WF52E22
This vehicle came in with electrical concerns after customer wired in some of their own accessories. Everything is fixed except for the door locks. I believe they may have altered the dealer installed RKE wiring. The unit is a VKE1000. My question is - Doe...
2007 Chevrolet Silverado 1500 WT 5.3L Misfire VIN: 2GCEK13M27
Truck has intermittent misfire occuring when hot that comes on with acceleration - hard to produce in bay with engine torquing. During fault condition Stabilitrak warning light comes on dash and misfire counter registers thousands of misfires on cyl 7 with... Trouble codes: P0300, P0307, P0573
2011 Ford Fiesta SE 1.6L heated seats VIN: 3FADP4EJ9B
heated seats inop with schematic looks like switch grounds relays and should be able to monitor results on scanner thru bcm pid ,but when I hook scanner up never show option for for bcm ,have a snap on solus ,second fiesta the same year that this has happe...
2012 Ford Focus SE 2.0L No Start, cranks but no start VIN: 1FAHP3F26C
Vehicle was driven in from several miles away (at least) with coolant loss complaint, but the real culprit was a missing oil filter (not known at that time). Went to retrieve vehicle, noticed nothing leaking under it. Started vehicle and drove around to th... Trouble codes: UNKN0
2008 Honda Accord LX 2.4L Limp Mode VIN: JHMCP26408
I need a known good cam and crank signal waveform.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 GMC Sierra 1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on, Boggs VIN: 1GTEC14X15
This vehicle is fixed. First, I would like to thank all the technicians that took the time to read this case and offer help. Now here is the breakdown for the fix. 1. The catalyst bed on bank 1 had come apart causing an intermittent blockage in the exhaust st... Trouble codes: P0132 (02 Stuck Rich/High), P0300 (Multi Misfires).
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