Yes, that is usually where the rpm signal comes from.
yes
Remove the engine brush cover under the front of the engine. Remove the drive belt to make changing the sensor easier (optional). Remove the lower timing belt cover and the crankshaft pulley to access the crankshaft position sensor. Disconnect the electrical modules from the crankshaft position sensor, located next to the alternator. Take off the bolts with a socket wrench and remove the sensor.
yes it has to do with timing
Faulty sensor get it replaced if not check to make sure wire isn't shorting out
yes
yes and only way to fix it is to replace the sensor
To make a crankshaft position sensor work on a 1997 Honda passport with a 1995 block and 1997 heads will take a lot of work. You will have to redo everything under the hood.
The crankshaft is located behind the crank gear close to the timing zone. If you decide to change your crankshaft make sure you also examine your timing belt as well as water pump.
There might be but more info is needed like the year, make, model and engine info.
Knowing the year, make and model vehicle you have would help but, if it has a crankshaft sensor maybe the sensor or the sensor wiring got damaged.
Code 19 is telling you that the computer has received the correct pulse width from your crankshaft sensor. Either your crankshaft sensor is dirty ( the sensor opperates by magnetics, and has a magnet in the tip. this magnet will over time accumulate metal particles from your engine) or has malfunctioned. The crankshaft sensor is located on the back of the engine block, just behind the starter.
yes, and it will also make it sporadically not want to start.