Across the front of the engine. It operates by the drive belt and pulleys.
Any air-conditioner compressor, from a 4.3 liter Chevy engine, will interchange with an air conditioner compressor from a 1997 Chevy S 10. The air conditioner compressors are identical.
The secondary air pump is located on the passenger side of the engine near the top sticking out of the side.
Some trucks in 93 had air pumps, and a whole lot of them did not. You do not have to have a air pump. The engine will still run the same. The 8600 LB. GVW. and heaver trucks did not have a air pump.
in back on passenger side, between fiewall and engine about 2 ft down.
The 2001 Chevy Tahoe 5.3 liter engine air temperature sensor can be found on the air hose. The sensor will be between the air filter box and the top of the engine.
The 1999 Chevy Geo Metro 1.0 liter engine PCV valve can be found on top of the engine. The PCV valve will be behind the air cleaner housing.
The AIR pump, pumps clean air into the burnt exhaust gasses that is in the exhaust system/pipes and cleans it up before it exits the tail pipe.
fuel pump
You can drive your 2005 Chevy Trailblazer 4.2 liter engine with salt the air box cover in place. It is not recommended to do so, because cost particles can get into your engine.
It is built into the mas air flow sensor, And you can find that on the side of the air filter box and clamped to the air intake duct work that goes to the engine throttle plate housing.
Spark plugs, air filter, PCV valve, Fuel filter
Its together with the mass airflow sensor(maf). On the top of the air intake tube.