2009 ford ranger 4.0, 4x4, automatic periodically throttles up, them returns to normal, any ideas.

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about every 60 - 90 seconds, up about 400 rpm, then back to normal

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May 5, 2020

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What are the best Ford repair shops?

RepairPal Certified shops can diagnose and repair your 2009 Ford Ranger. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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2009 ford ranger 4.0, 4x4, automatic periodically throttles up, them returns to normal, any ideas.

What is your question?

about every 60 - 90 seconds, up about 400 rpm, then back to normal

Visitor

in Salt Lake City UT

May 5, 2020

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DaveJMon May 6, 2020

Hello, is this while idling, I assume? I would look at possible vacuum or air intake leaks. Not uncommon on this engine.

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Popular Answer

What are the best Ford repair shops?

RepairPal Certified shops can diagnose and repair your 2009 Ford Ranger. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.