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 ...

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.

A faulty Engine Coolant Temperature (ECT) sensor may lead the turbocharged 2.0L I4 LSY gasoline engine in certain GM vehicles to run hot or even overheat. To be clear, these vehicles are not under an ...

Most automobile owners can agree that there is never a good time to see any of a vehicle's various warning lights pop up on the dashboard. That said, they'd likely all agree that they're thankful ...

Since an engine can suffer severe damage if it’s run too hot, you should certainly be concerned if there are indications the engine is overheating. But those indications may not be as clear-cut — or ...

Something I've realized over the past few years poking with a large variety of cars: Nobody has low coolant or low oil sensors! I drove an '88 Mazda RX-7 with both, and they were quite valuable! The ...

Many engine designs have the coolant temperature sensor screw into the thermostat housing. In the case of this model Captiva, however, the sensor screws into the inlet manifold next to (but not part ...

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