P0008
Engine Position System Performance Bank 1
The ECU detects an implausible relationship between crankshaft and camshaft signals on bank 1, indicating timing chain stretch, jumped tooth, or sensor reluctor wear.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Timing chain stretched, guides wornCommon
- Chain jumped one toothPossible
- Crankshaft or camshaft sensor misalignedLess likely
Parts involved
- Timing Chain
- Crankshaft Position Sensor
- Camshaft Position Sensor
- Reluctor Ring
P0008 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.