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Truck shakes while stopped or at idle

Tiny
EHAYNES
  • MEMBER
  • 1998 FORD RANGER
My truck shakes at idle or while stopped changed the plugs and wires also noticed a lack of power don't know what else to try I was thinking it could be the coil pack but not sure if that will be the fix
Tuesday, July 2nd, 2013 AT 7:12 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Is the engine miss firing? If you carefully remove one spark plug wire from the plug while it is running, is there one plug that doesn't change the way the engine is running?
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Tuesday, July 2nd, 2013 AT 8:01 PM
Tiny
EHAYNES
  • MEMBER
  • 2 POSTS
It is not miss firing haven't tried removing a spark plug wire
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Tuesday, July 2nd, 2013 AT 8:12 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
If you are sure it isn't missing, then check for vacuum leaks on and around the engine. That could cause a vibration. As far as your question about the coil pack, remove a spark plug and check for spark. You should be getting a hot blue snapping spark to the plugs. If you need directions on how to check, refer to our homepage under the DIY section.

Let me know what you find.

Joe
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Tuesday, July 2nd, 2013 AT 8:17 PM

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