Diesel Diagnostics: Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire #

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Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire #

Posted by martin simonsohn

on February 22, 2011, 4:31 pm, in reply to "Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire #"

Martin Simonsohn

hi think you should carry out leak of test before you condemn the pump as if injector 1 for example is leaking too heavily that will effect fuel rail pressure
might take a look at the egr valve for sticking as also can cause erratic idle therefore effecting fuel pressure

Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire - Fixed # - Shaun Dale February 22, 2011, 10:30 am

Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire # - martin simonsohn February 22, 2011, 4:31 pm

Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire # - terry taylor February 22, 2011, 4:47 pm
- Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire # - Shaun Dale February 22, 2011, 8:58 pm
  - Re: Mazda 6 GJ6F 2002 - Fuel rail pressure regulator, code P0301 cyl 1 misfire # - terry taylor February 23, 2011, 8:16 am
    - Fixed # - Shaun Dale February 26, 2011, 10:01 pm

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