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98 expodition 5.4l


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jlcoker2
New User

Apr 30, 2011, 9:43 AM

Post #1 of 3 (1728 views)
98 expodition 5.4l Sign In

I have a 98 expodition 5.4 2wd automatic, when driving down the road I give it gas and it starts shaking let off gas and it stops. There is no check engine light on. When idling you can hear a putter from exhaust


Mr.scotty
Enthusiast
Mr.scotty profile image

Apr 30, 2011, 9:47 AM

Post #2 of 3 (1723 views)
Re: 98 expodition 5.4l Sign In

Check fuel pressure.
Could just need to be maintenanced: plugs, wires, fuel filter,ect..
If it was a sensor problem the CEL should have came on.
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Hammer Time
Ultimate Carjunky / Moderator
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Apr 30, 2011, 10:10 AM

Post #3 of 3 (1720 views)
Re: 98 expodition 5.4l Sign In

You're describing a misfire under load. It's surprising that the check engine light isn't picking up on that but it is very common for a weak coil to do that on that vehicle. The usual cure is to replace the offending coils and all of the plugs.



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