The idle air control valve is located on the throttle body, and the EGR valve is located on the intake manifold.
typically in the valve cover.
The low pressure valve on a 93 Chevy Corsica is under the hood. It is on the larger hose coming off the AC air compressor.
Low pressure valve.
on automatic transmission
on top of the engine towards the drivers side of the auto
If this happened all at once, check the vacuum lines. A cracked or broken line will cause high or rough idle.
The idle air control valve on the Chevy Colorado actually controls the speed of your engine's idle. The valve is sometimes called the idle speed control valve.
98 chevy lddle control valve
The 1988 Chevy Corsica air conditioning service valves can be found on top of the air conditioning compressor. The air conditioning service valves are labeled as the low pressure valve and the high pressure valve.
There are seven steps on how to replace the EGR valve in a 91 Chevy Corsica. Some of the step-by-step instructions are disconnect the car battery, unhook the air supply hose, and remove the EGR mounting mounting bolts with a socket wrench.
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