Displaying 1 - 10 of 12

TOPIC : Misfire

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Another Super Duty Glitch

Some 2011-2012 Ford F-Super Duty vehicles equipped with a 6.7L diesel engine built on or before 2-12-12 may exhibit a run-rough and/or misfire concern with or without DTCs P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and P0308.

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Bad Vibrations and Misfires

This bulletin applies to 2001-2013 Chevy Corvettes that exhibit random misfires on random cylinders, with DTCs P0301-P0308 or P0300 only.

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Another Mopar Reflash

This bulletin applies to 2014 Dodge Durango and Jeep Grand Cherokee vehicles equipped with a 3.0L engine, built on or before Jan. 21, 2014, or a 3.6L engine or 5.7L engine built on or before March 10, 2014.

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Lexus Needs a Cleaning

Some 2006-2010 Lexus IS250 vehicles may exhibit one or more of the following conditions:

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Holy Pistons, Batman

Some owners of  2007-2014 Cadillac Escalades, Chevy Avalanche, Silverado, Suburban or Tahoe, GMC Sierra or Yukon or Hummer H2 vehicles may complain of an SES light and constant engine misfire. In some cases, they may also complain of an engine tick/knock noise.

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Buick Random Misfire on Cold Start

Some owners of 2010-2011 Buick LaCrosse vehicles equipped with a 3.6L V6 engine built prior to VIN BF358708 may comment that the MIL is illuminated within the first 60 seconds of operation after a cold start. A revised calibration has been developed to address this condition. No driveability concern is present, and the technician may find DTC P0300 through P0306 (random misfire counts).

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Audi Misfire

This bulletin applies to 2010 Audi R8 models. The MIL may be on, accompanied by a high engine speed misfire. DTC P0300 and/or P3001-P0310 may be stored in the ECM.

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Some Diagnostics Hurt Your Brain... Fixing Difficult and Perplexing Problems

I enjoy working through diagnostics, with my favorite being driveability concerns. The most common diagnostics that I perform relate to check engine lights, and lately some of those have been very challenging.

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Diesel Injector Clamps

Some 2011-2012 Ford F-Super Duty vehicles equipped with the 6.7L diesel engine built on or before 2-12-12 may exhibit a runs-rough and/or misfire concern with or without DTCs P0300, P0301, P0302, P0304, P0305, P0306, P0307 and P0308.

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Updated cam phasers

Some 2007-2009 Lincoln MKZ, 2009 MKS and 2007-2009 MKX vehicles equipped with a 3.5L or 3.7L engine and vehicle build date on or before 12-15-2008 may exhibit a MIL on and one or more DTC stored (P0011, P0012, P0016, P0018, P0021, P0022). The engine may also exhibit a rough idle or misses.

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