replaced the coil on my 2006 Ford Ranger V-6 3.0L and no more misfire on cylinder #5.
the old coil was bad.

when I get on the highway and try to get to 70mph getting a lot of clattering sounds from the valves, no engine codes or misfires.

I changed the cylinder heads 60K miles ago.
my question is could the rockers be loose?

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RandyPeddycoart
RandyPeddycoart

these mechanic around here are greedy

RandyPeddycoart
RandyPeddycoart

so i will have a ball park figure

RandyPeddycoart
RandyPeddycoart

any idea on what engine pressure carbon cleaned might cost?

RandyPeddycoart
RandyPeddycoart

if you lived closer i would let you work on it!

RandyPeddycoart
RandyPeddycoart

the misfire went away when i replaced the old coil. the old coil was melted post on number 5

ScottyKilmer
ScottyKilmer

Editor

could be, but if it had a misfire, odds are engine is carboned up inside. I would have the engine pressure carbon cleaned by a pro like me first