Saturn Forum - Saturn Enthusiasts Forums - Cylinder one misfire please help 2002 Saturn lw300

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Rockhalloween

Feb 13, 2016 04:57 PM

Cylinder one misfire please help 2002 Saturn lw300

I have replaced ignition coils, new spark plugs and wires, new intake manifold boots, new valve cover gasket, new fuel and air filter. Code still showing up after resetting it. What am I missing?

02 LW300

Feb 13, 2016 08:33 PM

If there is compression in that hole, you probably have a bad injector. Does the car have a dead miss? If you unplug the coil packs does it crank over evenly? The code you are chasing is po301?

Rockhalloween

Feb 13, 2016 08:56 PM

Yes the code is always p0301

derf	Feb 16, 2016 04:41 AM

Answers to the remaining questions?

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