Quote Originally Posted by Duke View Post
My bet, vacuum leak or the tune has the fuel trims way off causing the MAF to be very far out of normal range. My suggested trouble shooting steps:

1. Visual inspection of all vac lines. Anything not completely sealed or clamped down?
2. Starting fluid or carb cleaner test around the intake and all other vacuum lines while running. Any change in idle?
3. Hand pump test on each line to see if there is any leaks.

This link may be helpful. Note, if you are only getting the CEL after the engine is running it's most likely not wiring.
http://www.troublecodes.net/pcodes/p0102/
Thanks Ryan. Good info at that link.