2000 Grand am 2.4L sfi 4cyl I am having multiple sparkplug misfire code,
plugs,coils,plug boots and coil cover are NEW .It still runs rough and
same trouble code..! Any info to what i might be missing would be
Not a mechanic, so take what I suggest for what it's worth,
but get a long screwdriver, put the blunt end gently against
your ear, and with the engine running touch the tip to each of
You'll hear the clicking on the good ones, possibly nothing on
a bad one.
Do it carefully.
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