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The 1999 F150 4.2 does not have a temperature sensor. It uses a cylinder head temperature sensor instead. It is mounted at the rear of the engine on the head.
The speed sensor is mounted in the top of the rear differential on a 1999 F150. Remove the wires, then unbolt the sensor to remove it.
where is the CHT sensor on a 2000 ford F150 where is the CHT sensor on a 2000 ford F150
The temperature gauge sensor on the 2002 F150 is located on the driver's side of the vehicle and under the intake. This is almost impossible to remove without removing the intake itself.
forward of the firewall
it's on the intake manifold.
Drop the transmission fluid pan. its there.
system to lean bank one 02 sensor ?
The temperature gauge should be connected to the transmission temperature sensor. The transmission temperature sensor is located on the right-hand side of the transmission.
The sensor can be checked for resistance with an ohm meter. The sensor can be checked while cold then hot for resistance change.
One the engine block on the 302 and 351's
The temperature sensor is located in the lower intake manifold. The air temperature sensor is located on the right hand side of the engine well against the wall just behind the battery.