Is my stock FPR going bad? - Miata Turbo Forum -Boost cars, acquire cats.

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Old 11-09-2009, 12:40 PM   #1
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Default Is my stock FPR going bad?


Current setup:
330 cc injectors
Walbro 190lp hp
stock FPR
EMB with AutoTune

My fuel pressure at idle and cruising is 40psi but as soon as I start accelerating it jumps past 100psi. I heard that the stock FPR is pretty sturdy and rarely fails so I wanted to get your opinions on what else could possibly cause this problem.


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