F150 check engine light

Asked by GuruZV4KT Jul 21, 2020 at 07:22 PM about the 2001 Ford F-150

Question type: Maintenance & Repair

My 2001 f150 4x4 check engine light
came on and has lost about half its
power while driving and you can hear a
hiss sound. But it seems fine at high
idle and when in park it runs normal
then starts running rough

2 Answers
35,615

lrodri911 answered 4 years ago

Read the codes or take it to your local auto parts, they will read them for free but sounds like a vacuum leak.

Mark helpful

John answered 4 years ago

It sounds like like the pvc hose at the back of throttle body has gotten soft and blue a hole in it ./easy fix most auto parts stores carry the ends in stock.Good luck!!!!

Mark helpful

Your Answer:

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