ACT sensor location?

[tmoss]

Originally posted by GhettoPop
how often should you change them or how long do they typically last? what does a fouled ACT sensor cause?

It's a thermocouple - normally it's good or it's bad. Just clean the skinny little thing in the middle (the thermocouple) to possibley speed up temperature sensing. You can test it by using the attached (and the ACT and ECT have the same temperature ranges for testing)...........