you need to change your plugs of change your plug wires reguarding bank 1 lean fuel mixture you will have to change your 02sencer
NUMBER RELATIONS AGE PROBLEMCOIN PROBLEM MIXTURE PROBLEM
Other causes include injector, coil, wiring, and internal engine problems.
It means that more than one cylinder has a misfire history. PO301 would be cylinder number 1 misfire. PO302 would be number 3 cylinder misfire.
most of this problem is ignition coil fail, you can test it by exchange with other one.
P0301 is cylinder number one misfire detected.P0301 is cylinder number one misfire detected.
Cylinder number three misfire.Cylinder number three misfire.
Misfire detected in cylinder number four.Misfire detected in cylinder number four.
Probably a clogged fuel injector or fouled/burned spark plug. Less likely: valve problem.
Misfire on cylinder number 2
what are the possible causes of misfire on number one cylinder in a dodge 2003 ram 4.7 liter engine
On a 1998 Ford Windstar : ( # 16 / 20 amp )
In any car, if you have a specific cylinder misfire, check the spark plug, spark plug wire, fuel injector, and compression. The computer could also have a problem. You will need to consult the detailed manufacturer's diagnostic chart for that, but the basics remain the same.