misfire in cylinder 6 - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-12-2016
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misfire in cylinder 6

my check engine light is on in my 2001 ranger, the code is p306, misfire in cylinder 6, what could the problem be?
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Old 03-12-2016
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bad spark plug
bad spark plug wire
Are the most common

Less common would be bad coil pack, swap #2 and #6 wires on coil, if new code is P0302 then replace coil pack

test #6 fuel injector with OHM meter, 11-18ohms is spec., it can usually be done without removing injector.

Last thing would be a compression test on all cylinders, see if #6 is 15% less than the other 5 cylinders
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