Ford F150 Forums - Ford F-Series Truck Community.

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-   Engine Talk & Maintenance (https://www.f150-forums.com/engine-talk-maintenance-8/)
-   -   rough running 5.4 (https://www.f150-forums.com/engine-talk-maintenance-8/rough-running-5-4-a-1394/)

racewerx 05-21-2012 06:46 PM
rough running 5.4
 
I have a rough running 2006 F150 5.4. It misses a bucks when you go into passing gear. I am going to replace the coil packs and plugs. I was thinking of Granatelli coil packs. Anyone ever used them? any words of advice?

Purplehazeir 05-21-2012 08:52 PM
Not a fan of aftermarket coils that claim increased HP, performance, etc. I've used aftermarkets before and have been disappointed in what they deliver based on the cost. IMO - stick with stock ones!

KLC 05-28-2012 04:48 PM
Originally Posted by Purplehazeir (Post 7969)
Not a fan of aftermarket coils that claim increased HP, performance, etc. I've used aftermarkets before and have been disappointed in what they deliver based on the cost. IMO - stick with stock ones!
Agreed, I have never had good luck with them.

vindex1963 05-28-2012 08:25 PM
Clean the MAF sensor and change the plug wires.
Are the wires original?


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