P2349

Cylinder 9 Pressure Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Misfires
Check Engine light comes on

Causes

Cylinder 9 pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine ECU
Engine mechanical problems (rare)

How to Fix

Check the condition of the cylinder 9 pressure sensor
Check the integrity of the sensor circuit and connectors
Check resistance and sensor signal
Replace the faulty sensor if necessary
Reset the error code and check engine operation

Related codes

P2348 P2350 P2351