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TR6 fuel PRV stripdown

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prv.mhtmlHi, checking fuel pressure at the metering unit, i'm only getting 90PSI, so I decided to strip the PRV. I think the nylon adjuster was seized.

Anyway I found a flat rubber washer at the bottom of the valve housing. The workshop manual shows no sign of it in the stripdown pic. Should it be there.

Are there any ways to increase pressure to 105PSI?

Thanks a mil

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Hello. I have since refitted the bits and tries again.

Is it normal for pressure to increase when adjusting screw clockwise with a bit of fuel leaving the back of the valve (max pressure was 105) and then pressure drop with a significant gush of fuel?. 

Well that is what has happened, so i backed it anticlockwise and left it at 105.  

Thanks, steve.

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