P00CA

Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Difficulty starting the engine

Causes

Fuel pressure regulator solenoid malfunction
Open or short circuit in wiring harness
Problems with the ECU
Contact corrosion

How to Fix

Check the condition of the wiring harness and contacts
Test fuel pressure regulator solenoid
Check control circuit voltage
Replace solenoid or wiring harness if necessary

Related codes

P0087 P0088 P0190