Powertrain
generic / SAE
P0028
Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)
The ECU detected that the bank 2 intake valve oil control solenoid does not respond as expected. Common causes are sludge in the oil passages, a sticking solenoid, or low oil pressure that prevents proper VVT phasing on the intake side.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 28
Possible causes
- Oil control valve mechanically stuck high
- Sludge or debris in oil passages medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–3 h
- Component: oil control valve
- Component: camshaft position actuator
- Component: engine oil
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012