Powertrain
generic / SAE
P264E
A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
The position sensor signal jumps or drops out intermittently. Usually a loose connector or a chafed wire in the harness.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 4E
Possible causes
- Sensor connector not fully seated high
- Harness chafed against valve cover or cam carrier medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–400 €
- Estimated time: 0.5–2 h
- Component: rocker arm position sensor a b1
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012