I have a 2000 Taurus SEL 24V DOHC 87k on it, with a rough idle, rough accel.
The Check Engine light came on, so I took it to O'Reilly's. They scanned
the computer, coming up with a cylinder 1 misfire. This car has the coil
on the spark plug wire. The #1 cylinder is on the back of the engine.
Could this just be a bad plug or am I looking at a lot of money for the plug
wires and new plugs + labor?? Is it something I could get to under the car?
Thanks in advance.
it could be a bad plug, bad coil, or bad wire. the only way to tell is to
replace things. the easy way is to swap the coil/wire with another cylinder
and see if the misfire moves to the other cylinder. if it does, change the
coil/wire and be done with it. the coil/wire assembly only costs around $40
I second that, did the same on a #6 misfire, moved the coil on plug to
the #5 cylinder and the code followed it. The code should change from
PO301 in your case to PO302 assuming you're swapping with #2 COP.
What sucks in your case is the plugs are under the intake manifold
assembly, but it's only one 8mm bolt to remove from each COP. Good
luck with that.
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