The P0118 code means that the engine control module (ECM) has detected a voltage signal that’s too high from the engine coolant temperature (ECT) sensor (below). In practical terms, the ECM believes ...

How do radiators work? How a radiator works and how a radiator helps in the process of cooling your engine. The entire engine ...

Several components in your car hold coolant, often called antifreeze, and any of them can get a hole or develop a leak. If your car loses too much coolant, its engine could overheat. Coolant is also ...

Discover how a dirty oxygen sensor, old coolant, and worn spark plugs can increase fuel consumption. Practical tips from ...