Fuel Pressure Regulator 1 Control Circuit High

Descripción

This code means the car's computer has detected a problem with the electrical signal going to the fuel pressure regulator. The fuel pressure regulator's job is to ensure the engine gets the right amount of fuel pressure.

Pasos de reparación

1. 1 Inspect the wiring and electrical connector at the fuel pressure regulator for damage, corrosion, or loose connections and repair as needed.
2. 2 Check the fuel pressure regulator control circuit for short-to-power conditions using a multimeter, and repair any wiring faults found.
3. 3 Inspect and replace the fuel filter if it is clogged or has not been serviced per the maintenance schedule.
4. 4 Test fuel system pressure with a fuel pressure gauge to verify the fuel pump is delivering correct pressure; replace the fuel pump if pressure is out of specification.
5. 5 Replace the fuel pressure regulator if testing confirms it is faulty or not responding to ECM commands.
6. 6 Have the engine control module (ECM) tested by a professional for proper operation and replace if all other components test normal.

Diagnóstico y costo