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S2/RS2 Fuel Pump Testing

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  • #16
    Fuel Pump Testing, Replacement and Direct Relay Info

    Originally posted by dobbin View Post
    what voltage should be at fuel pump? and from which cable is fuel pump relay, i thought it was thick brown cable but no voltage at all but have got 10.2 from small purple cable
    Here is a link to some info regarding UrS fuel pump voltages and relaying the fuel pump directly to the battery (in this case, an UrS4 where the battery is under the rear seat):

    http://forums.quattroworld.com/s4s6/msgs/24327.phtml

    Here is a fuel pump testing post (for a C4 UrS but the idea and the quanities should be the same):

    http://forums.quattroworld.com/s4s6/msgs/22623.phtml
    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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