Rough Idle, What's Left?
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Rough Idle, What's Left?
08' 5.4l 3v with 101K miles. About 4 months ago I noticed a slight rough idle. I changed fuel filter, plugs, air filter, cleaned throttle body, MAF sensor, reset computer(helped for about 2 days) to no avail. No codes thrown. It's not horrible but it's rough enough to notice. Any other things to look for/test? Thanks.
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Yeah, I am leaning towards that. No definitive way to test cops that have not outright failed though is there?
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Yeah, I wish I knew someone with one of these.
http://www.tooldiscounter.com/ItemDi...le&kw=WAE76562
Wouldn't a dead coil throw a code?
http://www.tooldiscounter.com/ItemDi...le&kw=WAE76562
Wouldn't a dead coil throw a code?
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