Missing and bucking at 40

tdavid13 · Aug 10, 2019

I hate this truck, nothing but headaches. 06 expo limited with 130k. Bucking around 40. A small misfire/hiccup at idel. It doesn't set any codes. I had the plugs and coils replaced with motorcrafts. Any ideas or places to look/test? I really don't want to start throwing parts at it.
Thanks for any ideas

Cooper · Aug 10, 2019

Double check the coils and especially the wiring. I had a lil chaff on one are it was giving to truck a slight shimmer.
I'd get the catalyst convertor check too make sure its brething right.

bigdogchrisl · Aug 10, 2019

Stay over 40.
[emoji106]

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1955moose · Aug 10, 2019

Check the fuel pump driver module up near the spare tire. They get corroded and cause all kinds of grief.

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Missing and bucking at 40

tdavid13

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Cooper

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bigdogchrisl

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1955moose

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