Rx8 fuel system not compatible with glowshift gauge

04-19-2017, 12:39 PM

Trex87

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Rx8 fuel system not compatible with glowshift gauge

I bought a glowshift digital fuel pressure gauge and just read in the manual that it's not recommended for returnless fuel system. Do I have to return it now?

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04-19-2017, 01:28 PM

9krpmrx8

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You should, it's a Glow Shift gauge. That said, the gauge should work so long as it is installed right. Whether it is a return or returnless fuel system doesn't matter.

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04-19-2017, 01:29 PM

Trex87

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Ok good, but why would it say it's not recommended?

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04-19-2017, 01:33 PM

9krpmrx8

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Because they use junk components. Return-less fuel systems leave pressure in the lines when the car is shut off, which wears the diaphragm in the sending unit faster. Buy a quality gauge.

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