17748/P1340/004928
From Ross-Tech Wiki
17748/P1340/004928 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation
Possible Causes
- Timing Belt/Chain incorrectly installed
- Timing Chain probably lengthened
- Camshaft Position Sensor (G40) faulty
- Engine Speed Sensor (G28) faulty
Possible Solutions
- Check Timing Belt/Chain installation
- Use Measuring Value Blocks (MVB) to Check Timing Chain
- Check/Replace Camshaft Position Sensor (G40)
- Check/Replace Engine Speed Sensor (G28)
Special Notes
- When found in the 1.8T engine, check engine oil pressure. The oil pump pickup may be restricted.
- When found in the 1.8T engine (possibly others too), check to make sure the correct G40 is installed (single gap versus 4 gap).