This is not a job you can do at home so where the valve is doesn't matter. Take it to a shop.
Recharging the air conditioning is simple with a recharge kit. Connects the Freon bottle to the recharge port on the air conditioner compressor. Release the Freon into the compressor.
4 cylinder does not have pcv valve.
Connect freon gauges and a freon container to the low side ac port of the 1991 Integra. With the engine running and the ac on high, open the freon valve to fill the system until the gauge reads full.
its on the valve cover right behind the oil fill cap..
The idle air control valve is located on the throttle body, and the EGR valve is located on the intake manifold.
In the 1991 it's under the hood, remove the spare tire and black plastic case, on the left. May help...
Unless your car has California emissions, you do not have an EGR.
29,40,51 lbft
Check for vacuum leak or faulty EGR valve.
connects to throttle body(port C )
The EGr is located next to the fire wall, next to the valve cover on the drivers side of te engine. good luck
The Commodore is made of cast iron and both use two-valve-per cylinder iron heads. The engine was used in the 1991 second series by Heldon.