P000A
A Camshaft Position Slow Response Bank 1
The intake camshaft phaser on bank 1 responds too slowly to commanded position changes. Often caused by VVT solenoid sticking, oil aging, or low oil pressure.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Common causes
Ordered by how often each turns out to be the cause.
- VVT solenoid clogged with sludgeCommon
- Low oil pressure or wrong oil viscosityPossible
- Cam phaser worn internallyPossible
Parts involved
- VVT Solenoid Intake Bank1
- Cam Phaser Intake
- Engine Oil
P000A is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.