Powertrain
generic / SAE
P0027
Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1
The ECU detects that the exhaust camshaft oil control valve on bank 1 does not respond to commanded duty cycle within expected limits. Camshaft phase deviates from target during phaser actuation tests.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 27
Possible causes
- Oil control valve clogged with sludge high
- Low oil pressure or wrong oil viscosity medium
- Camshaft phaser worn medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–600 €
- Estimated time: 1–4 h
- Component: exhaust camshaft oil control valve
- Component: camshaft phaser
- Component: engine oil
- Component: timing chain
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012