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Discussion Starter · #1 ·
-The car starts up is without any problems, but under load has a misfire and once warmed is more pronounced.


Checked a few things today to see if there's anything I could do to fix it:

Removed and checked the plenum to check for leaks (none found)
Checked plugs and wires for correct resistance measurements (all checked ok)

It was getting late so wrapped it up and tomorrow going to check TPS and CPS.

Any other recommendations?
 

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Nuclear engineer
02/2012 X5 35d M57Y CPO 119K miles NOKIAN WR G3 30K miles
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23,451 Posts
How old are the plugs? Check / replace the plugs.
 
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