Fuel Cut-Off

1987 Buick Century Custom, 4D Sedan, 2.5 RSECTION Fuel Cut-Off

No fuel is delivered when ignition is off so that dieseling is prevented. No fuel will be delivered if no reference pulses are sent by distributor. This will prevent flooding before starting. Fuel cut-off will also occur at high engine RPM to prevent internal damage to engine.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.