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1998 Nissan Altima Idle Air Control Valve


Jun 8, 2022

How do you fix a stuck idle air control valve? (video)


Can IAC valve affect acceleration?

The IAC valve is vital for precise combustion within your vehicle's engine; it lets in just the right amount of air so that it mixes with the precise amount of gasoline. You could be having trouble accelerating because one of the valve plates within the IAC valve is stuck. via

Can a dirty IAC valve symptoms?

When the idle air control valve fails, it inhibits the flow of air through the engine. When the car can't receive air, it leads to engine stalling. The severity of this symptom can range from occasional stalling at first, to stalling immediately after ignition. via

Why is my car idling high?

Possible Causes of High Idle Speed

The engine may be overheating, and the cooling system might need repair. The fuel pressure regulator may be operating at too low of a pressure and might need to be replaced. The Ignition timing might be in need of adjusting. via

Why does my car idle rough when I stop?

A rough idling engine can be caused by spark plugs or spark plug wires. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. A plug that is damaged or installed incorrectly can result in fuel being burned at an inconsistent rate. via

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