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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 04-08-2011, 09:32 PM   #1
RoughRex
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Default Need replacement FPR?
88 N/A won't start, it turns all day but barely catches if at all.

SPARK is good, new plugs checked individually to fire while turning over.
COMPRESSION test (Poor mans version) appears to be OK.
FUEL:
41 PSI measured after filter -> 56 PSI measured if blocking fuel flow
0 PSI measured on return line with flow unobstructed

The part that bothers me here is that I get 56 PSI while obstructing fuel flow... if the FPR is blocking flow why am I not seeing higher PSI on the feed side? Is it getting forced through the injectors?






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