...this model it could be a bad coil or timing is off can do then same but usually a p0300 or example p0301 is a misfire on number 1 cyl as well p0302 and so on you should of stopped after plugs and ...
2001 impala 3800 engine has intermittent engine code P0301 and has a engine miss at idle and driving this indicates that there is a problem with cylinder #1 that is causing the miss fire and needs to ...
What is the meaning of codes P0401 and P0301 the P0401 code has to do with your exhaust! Could be caused from sensor to clogged exhaust! The P0301, I believe is misfire, cylinder #1 P0401 = Fixing EGR
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