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    MSX 150 Anyway to test a fuel pressure regulator?

    Greetings:

    Anyone know of any way to test the fuel pressure regulator on an '04 MSX 150?

    Thanks


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    desperado's Avatar
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    Quote Originally Posted by freelancenovelist View Post
    Greetings:

    Anyone know of any way to test the fuel pressure regulator on an '04 MSX 150?

    Thanks
    You need to connect a fuel pressure gauge (0-60psi) on the pressure side of the fuel line. The normal fuel pressure is 43psi. Once you have established you're getting 43psi, then you need to apply air pressure to the fuel regulator using the small 1/8" id vacuum pressure line. You can use a compressor for this test. For every 1psi of air pressure applied to the fuel regulator, you will get 1psi additional fuel pressure. If you apply 15psi air pressure, you will get 43psi + 15psi = 58psi fuel pressure.

    These test are easy to do.... you only have to gather all the necessary gauges / tubes / fittings to do your own tests.... that takes longer than the test itself.

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