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- General Engine Management / Tuning Forum (https://www.evolutionm.net/forums/general-engine-management-tuning-forum-129/)

- - What's FPR on sensors?? (https://www.evolutionm.net/forums/general-engine-management-tuning-forum/322249-whats-fpr-sensors.html)

Yorl8

Jan 31, 2008 06:29 AM

What's FPR on sensors??

Hi, I've just heard a ticking noise when on gas on my E8 260. I've been having a look and it sounds like a relay, BUT, when I hear the noise, the FPR light on sensors just keeps turning on and off. Is it the fuel pump relay? On my standard ECU I didn't have that issue... Well, at least that's what I think!
Any idea??

RickyLee53

Feb 12, 2008 02:07 AM

I think it's fuel pressure resistor.

Where the fuel pump switches from high to low voltage.

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