Is your Toyota, Lexus, or GEO running weird or showing a check engine light? It might be the coolant temperature sensor. This ...

Discount Ford Diesel Engine Piping Intercooler CAC Tube With Air Temp Sensor For 2011-2016 Ford 6.7L Powerstroke - BC3Z-6F073 ...

Q: My 1999 Pontiac Sunfire coupe is doing something something I can't easily explain. The car has 240,000 km on it and it has the stock engine, although I think I bought it with a K filter charger.

My 2007 Audi A5 3.0 TDI Quattro has started running cool. I have owned the car from new and up to last autumn (2013), the temperature gauge used to get up to 90c and stay there, now it registers ...

Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The ...