Engine Performance problem
1986 Pontiac Fiero 6 cyl Two Wheel Drive Manual
my car is idleing at 2000 rpms and stays how can I get it down? There is no check engine light
Saturday, February 7th, 2009 AT 10:14 PM
1 Reply
MMPRINCE4000
MECHANIC
8,548 POSTS
Almost always a vacuum leak. Check vacuum lines, brake booster line, PCV line (connects to nipple under upper manifold), and EGR tube (they will crack and cause a leak).
Other possibilities are lower, intermediate or upper intake manifold leaks
Replacement parts are available from fierostore. Com.