The timing sensor on a C-12 Caterpillar engine is located left hand side of the engine. It is about half way from the top.
The crankshaft position sensor is located on the front of the engine inside the timing belt cover
On the 3.5L engine it is inside of the timing cover. follow the wire that plugs in on top of the engine and through the timing cover which goes to the sensor. easier to get to if you get the power steering fluid reservoir out of your way.
The temp sensor on the sc300 is at the front of the engine. It is mounted near the water pump and timing chain housing.
the sensor is in the front timing cover of the engine on pass.side above the crank pulley,10mm wrench will remove
A camshaft position sensor reads the location of the camshaft and sends that information the engine computer. This is needed for fuel and ignition timing.
Begin the harmonic balancer. Yes you have to remove the timing cover.
front of engine, behind the serpentine belt at the top of the timing chain cover. It is attached with one bolt/screw to the engine. Black in color and has a small harness that connects to the sensor.
No there are no timing marks. The engine controller controls the ignition timing the input sensor is the knock sensor.
2007 Colorado will have a knock sensor which adjusts the timing automatically.
Checking on the location of the one for a 1998 4.0L: Under hood, center, upper engine area, mounted behind rear of intake manifold, in the engine block .
The Crankshaft Sensor on the 4.3 CMFI and CSEFI engines can be found on the front timing chain cover of the engine. It is best accessed from under the front of the vehicle.
Up in the front of the engine where the timing cover is on the right side of it this will be the cam sensor it does not have a crank sensor.