What does code P2898 mean?

Q: What does code P2898 mean?

Cylinder 3 Ion Current Sense Circuit. P2898 indicates that the engine control module has detected a fault in the ion current sense circuit for cylinder number three, which is used to monitor combustion quality and detect misfires. The circuit typically consists of a spark plug with an integrated ion sensor, wiring, and a signal processing module that reports to the ECM.

DTC codes / P28xx · Transmission / P2898

P2898Cylinder 3 Ion Current Sense Circuit

P2898 indicates that the engine control module has detected a fault in the ion current sense circuit for cylinder number three, which is used to monitor combustion quality and detect misfires. The circuit typically consists of a spark plug with an integrated ion sensor, wiring, and a signal processing module that reports to the ECM.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.