2001 ford coupe cyl. #1 mis-firing
homer0101
09-20-2009, 11:45 AM
cyl. #1 is miss-firing I changed plugs and wires still mis-firing only cyl.#1 please help.
motu 56
09-27-2009, 11:24 AM
check the sevice engine light post above
Davescort97
10-02-2009, 11:06 AM
A misfire can be caused by other things than the ignition. Most likely you have a vacuum leak close to the #1 cylinder. Check all your vacuum hoses especially the ones that run from the PCV valve to the intake.
Automotive Network, Inc., Copyright ©2026