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 ...

hi, i have a problem with cold starting, glow plugs will not come on unless i unplug the temp sensor and i have changed every part including plugs, thermostat and temp sensor, glow plug time relay, ...

From weak batteries to faulty sensors, your car’s starting system is a delicate chain of components that all need to work in harmony. Understanding how each part—from the starter motor to the MAP and ...