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.

Answered by hmac300 (expert)
17,879 answers provided