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I was just wondering if any of you know about the Fuel sensor mod thingy that they have been showing on ebay. If you guys do know about it i was just wondering how much of a difference it made and if it was worth the trouble of getting that mod. Because my friend has asked one of the guys at a local performance shop and they said that it did make a difference so i was just wondering.

they were probably saying what a dumb A** ur friend is, second he walked out and gave each other big five lol, it DOESNT DO anything NUNDO...unless u have custom turbo setup it might bring in extra few horsies..

Is it a little box with two wires on either side of it?

Damn I must of gotten jipped, my car doesn't have a fuel sensor. Let us know if it works.

Redline, what it probably is is the PRC modification that some MX-3 owners perform. Essentially, by running the wire for the fuel pressure regulator through a switch you can ground that wire whenever you flip the switch. This causes the fuel pressure regulator to run at its maximum psi.<p>You can actually do this on a lot of cars. Its just that I doubt many people have heard of this without the device you're talking about.

Hey guys i am sorry about this post up but i made a mistake it was a intake sensor mod.....if u go to ebay and look under mx-3...u will find lotsa these things called sensor mods and they claim it to increase up to 20+ horses.....my guess is it is just a hoax but if anyone knows otherwise let me know....thanx guys.....MX-3 SE all tha way

its a hoax. Dont wate the cash. Dont u think if mazda could have gotten 20 more HP out of a resistor, they would do it

cool...thanx guys....