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.
the iat sensor is located by the air filter in line to the the intake (the rubber hose between the filter and intake i have a98 s10 that i am working on that has a bad iat sensor you can tell it bad when you test it with a scan tool the one i had to replace was reading that the iat was at -40 below and it made my truck smell like gas
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.
IAT sensor 1 circuit high input. Check to see if the Intake Air Temperature Sensor is unplugged.
If it has a 4.3L engine the temp sensor is located next to the thermostat housing.
You won't find one. The 1991 Chevy S10 doesn't have a MAF sensor.
The idle sensor on a 1991 S10 4.3 can be located at the engine bay.
its in the air intake TUBE from the air filter intake air temperature IAT
The VSS is located in the top left hand side of the transfer case.
It's in the intake air tube, near the air filter.
The IAT (intake air temperature) sensor would be located in the air filter box or air intake snorkel depending on what engine you have. The high input signal could be as simple as the IAT sensor is unplugged.
The 1994 S10 uses a MAP sensor, not a MAF sensor. We need to know size engine you have in that S10.