I HAVE A FORD F150 V6 4

  • Tiny
  • selip68
  • 2004 Ford F-150
  • 94,000 miles

I have a Ford F150 v6 4.2, while idiling or at a red light, it starts jerking like it wanna die out or it feels like its runnung out of gas but it has plenty of gas in it. I change the spark plugs and wires but it still does it. What could it be?

Monday, October 29th, 2012 AT 4:20 PM

3 Answers

  • Tiny
  • hmac300
  • Expert
  • 42,976 posts

Scan for codes and check fuel pressure first, cleant throttle body with choke cleaner on both sides.

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Monday, October 29th, 2012 AT 5:12 PM
  • Tiny
  • selip68
  • Member

Thanks, these are the codes I got
P0171
P0174

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Tuesday, October 30th, 2012 AT 4:33 PM
  • Tiny
  • hmac300
  • Expert
  • 42,976 posts

What was fuel pressure? If it's low you will get those codes.

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Tuesday, October 30th, 2012 AT 5:12 PM

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