Cylinder 6 Pressure Sensor Circuit Intermittent/Erratic

Common symptoms

What you'll notice

• Check the wiring and connectors of the cylinder 6 pressure sensor circuit for any loose or damaged connections.
• Inspect the cylinder 6 pressure sensor for any signs of damage or malfunction and replace it if necessary.
• Perform a thorough diagnostic scan of the engine management system to identify any other related issues that may be causing the intermittent/erratic pressure sensor circuit.
• Check the cylinder 6 fuel injector for any clogs or malfunction and clean or replace it if needed.
• Clear the error code from the OBD 2 system and monitor the vehicle's performance to see if the issue reoccurs.

Common causes

Most likely first

1. Faulty cylinder 6 pressure sensor
2. Loose or damaged wiring connections in the cylinder 6 pressure sensor circuit
3. Engine misfire in cylinder 6
4. Low fuel pressure in cylinder 6
5. Faulty engine control module (ECM)

How to diagnose & fix

Work through it in order

1. Engine misfires or runs rough
2. Loss of power or performance
3. Illuminated check engine light
4. Rough idling or stalling
5. Poor fuel economy