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Engine miss V70-XC70

posted by  someone claiming to be ksg on  Thu Jun 3 11:49 CST 2010 [RELATED]

Do you have a diagnostic light (check engine) on? If so what is the code? I think it is unlikely an oxygen sensor would be bad or misreporting without some code being set.

Dirty fuel or fuel flow problems could be responsible. If the miss is only at idle, a dirty throttle plate or idle air control could be suspected. These things might not set a code since they are common to all cylinders. If the miss is associated with one cylinder, such as a weak or stuck fuel injector or a bad valve, you would likely get the corresponding code.





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