To let the PCM know that the engine is warm enough for closed loop mode.
the knock sensor is under intake, must remove intake and it is under two coolant lines.
This is located right behind the coolant. It helps you to determine if the car is staying cool enough or if you need more liquids.
the elictronic control sinsor at on a 93 mercury villager
The cam sensor on a 1996 Mercury Villager cost about $35 to $40. The sensor is actually manufactured by a Nissan subsidiary.
the sensor on the 3.3l mucury villager is integrated into the distributor
There is no such part.
No, there is not.
on my 1999 ford mercury villager its on top of transmission under the van
can you tell me where the knock sensor is located on a 3.3l mercury villager
If you mean the fuel level sensor it's in the fuel tank.
The speed sensor is at the top rear of the transmission housing.
This is an image. (below)