i think it is the sensor located on the drivers side of the motor rite next to the middle spark plug.
knock sensor
left side back of engine by dist.
It is screwed into the passenger side of the engine block just in front of the starter.
Need to know what engine it has.
Haynes makes a manual with the wiring schematic for the O2 sensor on a 1991 Chevy Blazer S10. The manual can be found at most book stores.
what is the wiring diagram for the o2 sensor on 2000 s10 blazer. it has 4 wires. what what do they all do /
The 1993 Chevy S 10 Blazer IAT sensor can be found on the top of the transmission. The IAT sensor will be near the front of the transmission.
There is no adjustment to my knowledge.
A bad engine temp sensor can do that.
No it does not.
It has 1 coolant sensor, 1 temperature sensor
We will need to know which engine it has to answer that.