The Crankshaft Position Sensor (CKP) is secured by special shouldered bolts to the flywheel/drive plate housing. It is preset in its mounting at the factory and is non-adjustable in the field. The sensor senses TDC and engine speed by detecting the flywheel teeth as they pass during engine operation.
No crank sensor, only the sensor in the distributor.
3.1L dont have a crank sensor
1991 probably doesn't have a crank sensor, it probably has a reference in the distributor.
A 1991 doesn't have a crank sensor, it only has a distributor pick up plate(cam sensor)
on top of the bell housing in plain view
They were used on the 1992 - 1996;Engine: 5SFEChassis: SXV10
It's just behind the harmonic balancer.
No crank sensor, only a cam position sensor.
the crank sensor is behind the harmonic balancer
i have an 89 and mine did the same thing try replacing the crank position sensor.
The only engine speed sensor is the pick up plate in the distributor.
paste this into your browser...i could not get the link box to take.. but this should ansewr the question on the o2 sensor