Question about 2002 Ford Expedition
Replaced 2 bad coils didn't seem to make much difference. Found (2) more additional bad coils.
From my experience, if you get one bad coil you might as well change all 8 of them. They will just drop like flies until you do.
Posted on Dec 08, 2014
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Posted on Jan 02, 2017
alright the most likely cause is the spark plug wires. put a set of wires on it and let us now how things are. good luck.
Posted on Nov 23, 2008
SOURCE: 2005 Ford Taurus Sputtering
stickingvalves collapsed lifters bent push rods fault ignition or damadged spark plug wires start it up at night look under the hood for sparks jumping from wires replace fauilty wires
Posted on Jun 22, 2009
hi, i would get the oxygen sensor looked at first as this only starts working when the exhaust reaches a certain temp.
But as your getting the problems when the engine is up to temp then this is what i would look at first it also called a lambda sensor.
Their is no way of testing this yourself but a garage could run a test and tell you if that part is at fault.
The problem is you just need to iliminate things orderly so i would get the oxygen sensor checked first before you spend money on other parts. If this is at fault then its not expensive to replace and does cause the problem your having
Posted on Aug 23, 2009
SOURCE: 2002 ford expedition
get a new mechanic, need to check for vac. leaks, poss needs tune up. alot O2 codes i have gotten have been created by vacuum leak or warn out plugs, rarely have i had to replace a O2 sensor.
Posted on Oct 14, 2009
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