Another sparkplug thread
Another sparkplug thread
What's the best sparkplug you've found for the F-150. Specifically for the 5.4 liter engine.
I changed the OR plugs w/Bosch 4x4 and got a stumble effect at idle.
I am looking to change to the Bosch 2x2,Denso or the newer E3 plugs.
Any input would be appreciated. X
I changed the OR plugs w/Bosch 4x4 and got a stumble effect at idle.
I am looking to change to the Bosch 2x2,Denso or the newer E3 plugs.
Any input would be appreciated. X
Last edited by xibbumbero; Dec 22, 2008 at 12:32 PM.



