Just put in new battery in 2004 f150 5.4 and immediately idle speed dropped to 2000 rpm. Why and how do I fix?

Asked by Sep 11, 2015 at 07:20 PM about the 2004 Ford F-150 Heritage 4 Dr XLT 4WD Extended Cab SB

Question type: Maintenance & Repair

5 Answers

19,765

how many min/hours are on the new battery???

Typo rpm drop to 200 at idle new battery was in for 25 min when it first did it

217,705

Was the truck running rough before you replaced the battery?

Ran just fine 169000 miles

still runs just fine idle dropped that's all I noticed

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