P0201 and P0301 codes
I know they're fuel injection and misfire both in #1 cylinder but what should I look at to fix? Fuel injector cleaner? What's the worst solution?
CF Veteran
Joined: Jul 2009
Posts: 2,158
Likes: 11
From: Chico,ca
Year: 89
Model: Cherokee
Engine: 4.0
Anything that could cause it to misfire,injector,plugs,coil,which you have coil on plug,and the worst just because you asked,would be mechanical,like compression,but I doubt it would be. Injector cleaner might help,look at plugs also.
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