Cylinder 3 Pressure Sensor Circuit High

Common symptoms

What you'll notice

• Check the wiring and connectors for any damage or loose connections
• Inspect the pressure sensor for any signs of malfunction or failure
• Clean or replace the fuel injectors for cylinder 3
• Verify and adjust the fuel pressure to the required specifications
• If necessary, replace the engine control module (ECM) or perform a software update

Common causes

Most likely first

1. Faulty cylinder 3 pressure sensor
2. Short circuit or open circuit in the wiring of the cylinder 3 pressure sensor circuit
3. Faulty engine control module (ECM) or powertrain control module (PCM)
4. Engine misfire in cylinder 3
5. Issues with fuel injectors in cylinder 3

How to diagnose & fix

Work through it in order

1. Check engine light illuminated on the dashboard
2. Engine misfires or runs rough
3. Decreased engine performance or power
4. Poor fuel economy
5. Vehicle stalling or hesitation during acceleration