On the firewall side of the engine block, near the transmission bellhousing, under the intake manifold that answer sir, is incorrect, the cavaliers did not use a cam sensor, only a crank sensor, but the location is right for the crank sensor
Where is the temp sensor on a 91 Chevy astro
Yes.Yes.
The themostat is located in the top rad hose on the engine side, but I don't know about the sensor. In my 91 the coolant temp sensor is in the thermostat housing and the engine temp sensor is on the block.
My 91 Cavalier (RS 2.2L) doesn't have one but my 95 does on the left side of the drivers seat.
It's in the distributor also called a hall sensor.
if it is the same motor yes, but some may have different mounts or wiring plugs
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Usually on most Vehicles the Crankshaft Sensor is located Behind the Lower Pulley which is known as the Harmonic Balancer.
The starter on a 91 Chevy cav. is located at the lower front end of the engine. You can get to it better by jacking the front of the car and attacking it from underneath.
There is no such thing!!
Perhaps it was hit by a meteorite. Check for fuel and spark.
You won't find one. The 1991 Chevy S10 doesn't have a MAF sensor.