IDLING ROUGH

2004 Ford F-150

Tiny

Clydedonovan

March, 5, 2014 AT 5:33 AM

My truck is rough once it warms up I change gas filter no change clean throttle body and put in the gas tank fuel injector cleaner still idling rough and there's no engine light on scan the computer no codes came up

FOUND 4553 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

3 Answers

Tiny

hmac300

March, 5, 2014 AT 6:49 AM

Check the fuel pressure with a gauge autoparts rent it

Tiny

Clydedonovan

March, 7, 2014 AT 8:07 AM

I done fuel pressure 32 psi when in park the same drive position scan the truck it says everythink was ok no misfire anywhere but it still missing should I check every plug and coil separate to see the engine changes

Tiny

hmac300

March, 7, 2014 AT 1:52 PM

Check for a vacuum leak first then do the coil thing but it may not make a difference. It cold also be an egr plugged or stuck open

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