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What is cylinder voltage?

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Old 07-12-2014, 04:52 PM
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Default What is cylinder voltage?

Anyone clue me in on what cylinder voltage measures on vag? I'm getting random misfires on cylinders 4 and 6. If I clear the codes, I get them right back on start up. Minimal misfire but I can feel it at idle or holding steady moderate throttle. Started watching cylinder voltage and misfires and that was showing cylinder 5 misfiring and the voltages were a bit lower on cylinders 1 and 6. 06 C6 3.2.

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AJG
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Old 07-13-2014, 06:17 AM
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I think it is likely injector voltages.
Which group were you looking at and what DTCs are showing up ?

More info on measuring blocks http://www.ross-tech.com/vag-com/m_blocks/
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Old 07-13-2014, 06:45 AM
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Originally Posted by jakematic View Post
I think it is likely injector voltages.
Which group were you looking at and what DTCs are showing up ?

More info on measuring blocks http://www.ross-tech.com/vag-com/m_blocks/
P0304, P0306, and P0300. Groups 16, 26, and 27 (in the link, 26 and 27 fall under knock control so I'm assuming it is the knock sensor voltage).
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Old 07-13-2014, 07:31 AM
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Originally Posted by ajg617 View Post
P0304, P0306, and P0300.
Those are generic codes, so I generally don't bother to look them up.
More info here: http://wiki.ross-tech.com/wiki/index...ry:Fault_Codes


Originally Posted by ajg617 View Post
I'm assuming it is the knock sensor voltage).
That was my other thought, and lacking coffee this morning, totally forgot to mention it
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