FuelSeverity High: diagnose before driving on

P0092Fuel Pressure Regulator 1 Control Circuit High

What it means

The control circuit of fuel pressure regulator 1 reads a voltage that is too high, usually an open circuit or a short to battery voltage.

Symptoms

No start, stalling or limp mode
Rail pressure doesn't follow the request

Common causes

Open regulator winding or control wire
Control wire shorted to battery voltage
ECU driver fault

What to check first

Measure the regulator resistance
Check the control wire for continuity and shorts to voltage
Scope the control signal

Can I drive with P0092? Not recommended. P0092 can lead to stalling, limp mode or engine damage; diagnose it before driving further.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0092: questions and answers

What does P0092 mean?

P0092: Fuel Pressure Regulator 1 Control Circuit High. The control circuit of fuel pressure regulator 1 reads a voltage that is too high, usually an open circuit or a short to battery voltage.

What are the symptoms of P0092?

No start, stalling or limp mode. Rail pressure doesn't follow the request.

What causes P0092?

Open regulator winding or control wire. Control wire shorted to battery voltage. ECU driver fault.

How do you diagnose P0092?

1. Measure the regulator resistance 2. Check the control wire for continuity and shorts to voltage 3. Scope the control signal

Can I drive with P0092?

Not recommended. P0092 can lead to stalling, limp mode or engine damage; diagnose it before driving further.