Checking the engine temperature sensor
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Check that the engine temperature signal indicates a reasonable temperature compared to the assessed engine temperature.
HINT: The comparison should be made for both a cold and warm engine or at the temperature where problems arise.
HINT: Check the engine temperature sensor for contact resistance and oxidation following Contact resistance and oxidation .
Remedy as necessary.