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Search found 2 matches

by Dugdug123
Fri Jun 01, 2018 12:44 pm
Forum: Performance
Topic: Serious running problem po401 fuel rail pressure sensor
Replies: 0
Views: 539

Serious running problem po401 fuel rail pressure sensor

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 ...
by Dugdug123
Fri Jun 01, 2018 12:36 pm
Forum: Performance
Topic: '05 FreeStyle 152K Rough Idle, Acceleration Lagging, Stalling
Replies: 11
Views: 1210

Re: '05 FreeStyle 152K Rough Idle, Acceleration Lagging, Stalling

I am having the same issue po401 fuel rail pressure sensor pressure too low, I've replace the sensor fuel pump, all intake gaskets, no leaks I can find, also replaced egr, fuel pump relay module, fuel filter, and it had a po301 so I replaced injector and coil for that cylinder and still nothing! Run...