the iac is controlled by the computer and adjusts the air flow needed by the engine, hence idle air control. if the iac is defective and does not seat properly, it will cause a high idle
The IAC (Idle Air Control) is located in the base of the throttle body.
when did Chevy vortec come out
Low fuel pressure, bad IAC valve, vacuum leak, bad injector(s). You also need to check the EGR valve.
vortec is a brand name Chevy started using on 4.3l motors in 1986.
No, the 1992 Chevy 350 (5.7L) V8 is not a Vortec engine.
The Idle Air Control (IAC) valve on a Vortec 5.7 engine is located on the throttle body. It is typically positioned near the intake manifold, attached to the throttle body assembly, and has an electrical connector. The IAC valve helps regulate the engine's idle speed by controlling the amount of air bypassing the throttle plate.
No, the 350 Vortec was not available until a couple years later.
The 4.9 vortec means that it is a 4.9 liter v8 probably.
On the Vortec the computer does it all.
how much torque for a Chevy Z71 350 vortec engine valve cover
NO.
you don't, the idle air control IAC valve does it automatically. If your idle is off it has a problem like a vacuum leak, low fuel pressure, faulty or dirty IAC and others.