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Old 11-15-2012, 03:23 PM
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bear-avhistory bear-avhistory is online now
2014 435M-Sport/MPPK
Location: NC - USA
 
Join Date: Nov 2006
Posts: 2,143
Mein Auto: 2014 435M-Sport/MPPK
Will your tune tell you what cylinder or cylinders are misfiring through a Log? Most of the time its plugs, coils, injectors or a combo. If you can read the missing cylinder swap the coil with another one not having a problem to see if the issue moves with it. If it moves its the coil if not it could be the plugs or injectors.

In the case of the 335 with a tune after about 25K miles the plugs are history.
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Last edited by bear-avhistory; 11-15-2012 at 03:25 PM.
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