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Home >> Chevrolet >> 1986 >> Caprice Base, 5.0 H >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Pump >> Inspection & Testing >> Notes
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Inspection & Testing: Notes

If a malfunction is diagnosed as fuel system related, perform the following tests and inspections prior to replacing fuel pump.

CAUTION: Electric fuel pump systems are pressurized, even when engine is not running. The pressure must be released BEFORE any part of fuel system is disconnected. To relieve pressure, remove fuel pump fuse, run engine until it stops, then crank for an additional 3 seconds.
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