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Mazda bt 50 problems

High fuel rail pressure. code p0088

Posted by Anonymous on

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Posted on Jan 02, 2017

johnjohn2
  • 5763 Answers

SOURCE: I have a 2008 f-450 with 6.4 diesel my problem is

This code is saying the fuel preasure is too high, this may be caused by a stuck fuel preasure control valve or a bad fuel rail preasure sensor, you would need to first check the valve to make sure its not stuck then test the preasure sensor, to test sensor a scan tool would be very helpful. hope this helps.

Posted on Sep 28, 2010

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Guru............Saailer

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Some of the reports I am reading is the Turbo boost for other owners is starting to max out about 70-75 MPH with a load and usually going up a grade before this light comes on. A certified Pressure gauge would show whether the sensor is tripping too early.

I want to believe there are some specs the Dealer could use to bench test this sensor. But if the end result is buying a sensor and paying Labor you could just go Aftermarket and install a New sensor yourself.

Would like to know the final solution on this.

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I have a 2008 f-450 with 6.4 diesel my problem is on ocassion it will go into limp mode and the engine code is P0088 high fuel rail presurre do you know if that would be the High pressure fuel pump or...


This code is saying the fuel preasure is too high, this may be caused by a stuck fuel preasure control valve or a bad fuel rail preasure sensor, you would need to first check the valve to make sure its not stuck then test the preasure sensor, to test sensor a scan tool would be very helpful. hope this helps.

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