Powertrain
generic / SAE
P28BE
Cylinder 12 Ion Current Sense Circuit Low
Ion current from cylinder 12 is below the expected window. Spark plug fouled, signal wire shorted to ground, or sensing path interrupted.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / BE
Possible causes
- Spark plug fouled with carbon or oil high
- Sense wire shorted to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–700 €
- Estimated time: 0.5–3 h
- Component: spark plug cyl 12
- Component: ignition coil cyl 12
- Component: ion sense module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012