Engine Guardian
Engine Guardian is a cylinder head temperature sensor that will sound an alarm if temperature reaches a preset limit.
This is the only product we have found that will notify the driver immediately if the engine starts to overheat.
Cheap insurance that could potentially save your engine or cylinder head.
Can be purchased from carsensors.com, however the price on eBay is a bit lower.
- Device can be setup to control fans.
- There are different versions available with more features such as voltage sensors, fan controllers, and others.