92 5.7 buick roadmaster
I am having problems with my 5.7. It runs fine at
an idle but when you give it gas it misses and revs
slow with no power. I have changed the plugs,
wires, cap, and butten, but still has the same
May be a bad fuel pump, should check fuel pressure, change the fuel filter first. Fuel pressure should be 9 to 13 lbs. Also may have dirty or faulty injectors. Another cause could be the coil, you can have that tested at Auto Zone.
U need to have someone put it in drive and hold the brakes and spin the cap clockwise
Is your catalyst converter throttle body may possibly need to be clean
Looking for a Used Roadmaster in your area?
CarGurus has 51 nationwide Roadmaster listings and the tools to find you a great deal.
Search Buick Roadmaster Questions
Buick Roadmaster Experts
Related Models For Sale
Used Cars For Sale