sohfast94 wrote:Chekc O2's for fouling and the TB make sure it's clean. If you ahve oil on top of your pistons you're already not in very good shape unfortunately.

Thanks

O2's are switching, MAFs reading, trims looks to be in spec. What's the issue?

Thanks very much for looking at it :)

Car has a stumble/hesitation and it's driving me nuts.

Two weeks ago while on the frwy, car was running pretty bad with a bad stumble/hesitation.

Pulled coil cover and found ...

Any expert able to read my datalog and tell me what's wrong?



https://docs.google.com/file/d/0B2oI5FL ... sp=sharing

Thanks!