Cylinder 2 Pressure Sensor Circuit High

Common symptoms

What you'll notice

• Check the wiring and connections for any damage or loose connections.
• Inspect the pressure sensor and replace if necessary.
• Check the engine control module (ECM) for any faults or errors and repair or replace if needed.
• Verify the fuel injector operation and replace if faulty.
• Perform a compression test on cylinder 2 to ensure proper engine performance.

Common causes

Most likely first

1. Faulty cylinder 2 pressure sensor
2. Wiring issues or loose connections in the cylinder 2 pressure sensor circuit
3. Engine control module (ECM) malfunction or software issue
4. Incorrect fuel mixture in cylinder 2
5. Cylinder 2 compression or mechanical problem

How to diagnose & fix

Work through it in order

1. Loss of power or acceleration
2. Rough idle or engine misfire
3. Engine stalling or not starting
4. Increased fuel consumption
5. Check Engine Light (CEL) illuminates