Mechanics

CYLINDER 1 MISFIRE 1ON 1

2003 Ford Focus

Engine Performance problem
2003 Ford Focus 4 cyl Front Wheel Drive Automatic 132999 miles

cHECK ENGINE LIGHT CAME ON AND DEALER SAYS IT WAS CYLINDER ONE MISFIRE.
Avatar
LIFEGOD1
March 14, 2009.




Check no.1 cylinder's sparkplug/compression/injector

Engine Misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.

Rasmataz
Mar 14, 2009.


AD