Cylinder 6 Pressure Sensor Circuit High

Common symptoms

What you'll notice

• Inspect and clean the wiring and connectors related to the cylinder 6 pressure sensor.
• Check and replace the cylinder 6 pressure sensor if it's faulty or damaged.
• Verify and adjust the cylinder 6 fuel injector for proper operation.
• Check and clean the cylinder 6 fuel injector connector and wiring.
• Perform an engine compression test on cylinder 6 to ensure proper pressure.

Common causes

Most likely first

1. Faulty cylinder 6 pressure sensor
2. Wiring or connection issues with the cylinder 6 pressure sensor
3. Engine control module (ECM) malfunction
4. Engine misfire in cylinder 6
5. Problems with the fuel injector for cylinder 6

How to diagnose & fix

Work through it in order

1. Engine misfires or runs rough
2. Loss of power or acceleration
3. Decreased fuel efficiency
4. Illuminated check engine light
5. Rough idle