Today’s computerised engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate ...

Among the many methods available for air flow detection, self-heated thermal flow sensors are simple, cheap, rugged, and sensitive. They rely on the relationship between airspeed (AF) and thermal ...

My question is about oxygen sensors. I own an ’09 Dodge Ram 3500 with 80,000 miles on the clock. I service the 6.7L Cummins engine every 3,000 miles, and it’s been trouble-free, with the exception of ...

Last month, we kicked this series off by showing you how to save some money by diagnosing a bad MAP sensor rather than just chucking cash at new parts that may or may not fix a specific problem. This ...