Serious running problem po401 fuel rail pressure sensor

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Dugdug123
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Posts: 2
Joined: Fri Jun 01, 2018 12:29 pm

Serious running problem po401 fuel rail pressure sensor

Post by Dugdug123 » Fri Jun 01, 2018 12:44 pm

I have replaced every part I can even imagine , pump, filter fuel pump module, egr all intake gaskets, plugs n boots n wires, fuel rail sensor, and new crank sensor and connector, started as hard starting , wouldn't start without gas petal being pushed, then got worse and misfires irratically, have tested and replaced all kinds of parts and no better please help!


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