I have a 2004 Ford Explorer XLT 4x4 v6 sohc. I have had a service engine light for a couple months. Initially it was giving a P0191 and P0193 code - dealership said replace Fuel pump and filter. So I took to a our company mechanic - could not get the fuel pump so replaced filter only. Cleared code - 24 hours later light came back and was a P0193. Took to a different shop - they replaced fuel pump. Another 24 hours later light came back same code. I have also replaced my fuel cap. Whatever is going on with it causes the vehicle to run rough at times and die. Other times it is fine - Now the air bag light is on. Please help - I have done everything Ford recommended and still no resolution. Thanks.
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Sounds like parts are being thrown at this without going thru the diagnostics for the individual codes. If all that has been replaced then I would lean towards a fuel pressure regulator. P0193-Fuel rail pressure sensor circuit, high input. Have someone do the diagnostics for this code to pinpoint problem. For the future, No code means to just replace a part, it means do the diag to pinpoint what is needed.
Replace Fuel rail pressure sensor . also replace intake manifold Gasket or 6 o-rings .