Start off by unhooking the radiator hoses from the block and drain them. Then dissassemble your intake. then you star taking everything off of the moter hose and wire wise that are attached to the truck. then start taking out bolts.
The idle sensor on a 1991 S10 4.3 can be located at the engine bay.
Sure... you pull out the axle shafts, and its disconnected.
We need to know which engine it has.
time for an oil change
Not much; they are a sled. Sorry, but I had one. Mark
It could be the 160 or 180 HP 4.3L TBI engine, probably the 160 HP engine.
91 S10 4.3 L engine requires 41 to 47 psi fuel pressure.
theyre pre gapped otherwise it depends on engine specification
If it has a 4.3L engine the temp sensor is located next to the thermostat housing.
how do you change the oil pump on a 1991 s10 pickup
Yes.
The air control valve on a 1991 4.3 S10 is on the engine. Kindly refer to your usual manual to see the exact point, where it is located. The Idle Air Control is attached to the base of the throttle body.