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P1800 ES - 1973 1800 1973

posted by  Ron Kwas on  Fri Mar 26 10:33 CST 2021
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last visit: Fri Oct 24 04:03 CST 2014
[RELATED]

Forum;

Blockage of Fuel Return Line from FPReg will cause Fuel Rail Pressure to soar as FPReg has no way to dump excess, and unneeded fuel back to tank. Fuel Pump is dumb and will keep on pumping into effectively a (partial) deadhead, until it's internal bypass opens...but Fuel Rail Pressure will be way high (and not at the fault of FPReg!).

Good Hunting!






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