It should be at the bottom front of the engine by the timing cover.
Do you have a 4.3L with a distributor? If so, the crank sensor is in the distributor and may also be called an HEI pickup or Hall switch.
The crank position sensor On your astro is located on front of the engine on timing cover, left side. Behind the crankshaft pulley. with a connector of 3 wires.
location of 3 sensor of 97 Chevy astro van?
Chevy did not use a crank sensor on that year.
A
Yes it did. I own (still) a 1990 Astro camper-conversion van with crank up windows.
It does not have 1.
front of the engine under the crankshaft pulley
I had same problem -- fuel pump went out.
Attached to the side of the throttle body.
Camshaft position is taken from the distributor, there is no separate sensor.
where is the oxygen sensor in a 2004 astro van