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).
  • When found on VR6 engine, please see Technical Bulletin 15 04-01
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