FYI 9 times out of ten
EGR is clogged, and stuck open
or
Idle air controller is clogged/nasty
seafoam helps either, egr you can hit with a hammer usually, idle air I take the throttle boddy off and soak it in simple green
FYI 9 times out of ten
EGR is clogged, and stuck open
or
Idle air controller is clogged/nasty
seafoam helps either, egr you can hit with a hammer usually, idle air I take the throttle boddy off and soak it in simple green