Misfire

What is your question?

Continue to get misfire codes in First cyclinder. Replaced coil pack, replaced spark plugs, replaced injector. Compression is 125. Car runs good for awhile, then starts running rough then gets misfire code

What makes this problem better or worse?

Runs good after clearing codes or replacing a part. Then is starts running rough

How long has your 2007 Mercury Mountaineer had this problem?

6 weeks

Visitor

in Phoenix AZ

Dec 3, 2020

Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 2007 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

Misfire

What is your question?

What makes this problem better or worse?

Runs good after clearing codes or replacing a part. Then is starts running rough

How long has your 2007 Mercury Mountaineer had this problem?

6 weeks

Visitor

in Phoenix AZ

Dec 3, 2020

1 Reply

Popular Answer

pushrodon Dec 3, 2020

Any sign of moisture on rubber spark plug boot with coil removed?

Petibehaon Dec 3, 2020

No moisture.

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Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 2007 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.