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 ...

Virtually every modern car on the road is equipped with bells, whistles, and sensors designed to let you know when even the slightest thing is wrong with your vehicle. While any driver can appreciate ...

I have an Audi S4 (the 2004 B6 version). The cause of the engine warning light coming on has been diagnosed by my local Audi dealership as a failure of the coolant sensor. They have asked for £310 to ...

On this model, the sensor in question is located on the crankcase (not the cylinder head as many are). You’ll find it on the driver’s side of the crankcase, below the intake manifold. Replacing it ...

If the coolant is too hot, your engine is far more vulnerable to a catastrophic failure. Just as important, ECT sensors can also be used by the engine control module to gauge a vehicle's performance ...