Chekc fuel pressure/vacuum leak, maf or air lblockage or any hose/grommet going to engine including pcv that may have a hole in it or blocked. It can also be an injector problem or exasust leaks near or before an O2sensor as well as cam timing, poor compression, egr problem, evap vapor system as well as fuel pressure regulator. But check shave to be done before replacing parts.
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Monday, October 22nd, 2012 AT 8:05 PM