Question about 1986 Ford F 350

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I have a 1986 Ford F-350, 6.9 liter pickup. The injection pump doesn't push fuel to the injectors.... I have tried another pump but that still doesn't work. Any suggestions on the problem?

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Yep!.. the problem is electrical wiring (that's only if you've VERIFIED the replacement pump is GOOD!). If you don't have POWER and GROUND at the fuel pump connector, doesn't matter if the pump is good or not... if the pump isn't receiving power (and there's a questionable ground), the pump will not operate correctly.

Posted on Sep 10, 2009

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