P2C9F

Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation
Power Loss
Smell of gasoline from the exhaust system
Check Engine Light Is On

Causes

Malfunction of fuel pressure regulator D
Clogged fuel line
Problems with the regulator control circuit
Fuel pump malfunction
Engine control unit software error

How to Fix

Check the electrical circuit of the fuel pressure regulator
Check the condition of the fuel line for blockages
Replace fuel pressure regulator D if necessary
Check the operation of the fuel pump
Update engine control unit software

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