idle surge

Asked by GuruDHBG6 Aug 30, 2017 at 05:14 PM about the 2002 Ford F-150 XLT LB

Question type: General

My idle in the truck surges up and down
tries to die and then shoots back up.. any
ideas?

1 Answer
465

Michael answered 6 years ago

This could be caused by bad O2 sensors. Is your check engine light on? If so go to an auto parts store and have them scan it free of charge. Reply with the codes and/ or look up what they are and how to fix it.

2 people found this helpful.
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