What could be the problem if my Mercury Mountaineer is misfiring

What is your question?

misfire after replacing two O2 sensors

What makes this problem better or worse?

worse when engine is cold

How long has your 2001 Mercury Mountaineer had this problem?

off and on for two weeks

rmdprosperity0265 in East Chicago IN

Apr 6, 2018

Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

What could be the problem if my Mercury Mountaineer is misfiring

What is your question?

misfire after replacing two O2 sensors

What makes this problem better or worse?

worse when engine is cold

How long has your 2001 Mercury Mountaineer had this problem?

off and on for two weeks

rmdprosperity0265 in East Chicago IN

Apr 6, 2018

1 Reply

Popular Answer

casey40510on Apr 6, 2018

Hello, They could be installed incorrectly, the wrong type, or they could be reading data correctly and you suddenly have an inefficiency to deal with. I'll just say this: diagnostic scanning will prevent lots of part replacement.

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Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.