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Thread: no vacumm on injector pump

  1. #1
    Member auag is just really nice auag's Avatar
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    no vacumm on injector pump

    on my 81 vw diesel caddy set for about 6 months and now i have no vacumm coming from the injector wont pull any fuel from the tank...i have cleaned both fuel lines and still nothing..i put a vacumm gauge on the pump and no vacumm..any ideas on a cheap fix?

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  3. #2
    New Member frankinstyn is a jewel in the rough frankinstyn's Avatar
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    Re: no vacumm on injector pump

    A cheap fix would be to put a booster pump on there. Run it for a bit like that and hope that the vanes in the pump free up. It will mess up the internal pump pressure a bit though which will mess with your performance and gas mileage but it will run.

    You only want about 3psi coming in so be sure to use a very small pump.

    Look up "Autobest 12D Externally Mounted Universal Diesel Electric Fuel Pump" on amazon. It is $24.

    Run it with that for a tank or two and then take it off and try running it without.

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