changed timing chains now rough idle on 07 screw 5.4
#1
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changed timing chains now rough idle on 07 screw 5.4
So I did the timing chains on my ford got done started it up and ran great idled nice then after an hour it started to idle rough and die yet when I rev it up It sounds great and smooth. I can let it run and unplug all four coils on driver side and it don't change the way it ides at all. Any ideas plz and thanks BTW timing Is dead on