Code P0505 is an indication the IAC is not working correct and it can cause the engine to idle too low or high and the engine may stall when coming to a stop. The Check Engine Light being on causes the vehicle to fail emission testing.
Can I drive with a P0505 code?
Trouble code P0505 should be diagnosed and repaired as soon as possible. Not recommended, however, you may drive your vehicle while trouble code P0505 is present unless the engine stall or stumbling is is severe enough to hinder proper vehicle operation. Erratic or lack of idle control may be noticed.
How do I reset my idle air control valve?
You can reset the idle air control (IAC) valve by turning the car on, putting the car into park, pressing the brake down, then pushing the gas pedal down, counting down about 5 seconds, turning the car off, waiting 10 seconds and start the car again, checking to see if the car is idling properly.
What does diagnostic code P0505 mean?
What Does the P0505 Code Mean? Diagnostic trouble code (DTC) P0505 stands for “Idle Control System.” The code may be accompanied by erratic idle speeds that can lead to stalling and other issues. On most older vehicles, the idle control system relies on an idle air control valve (IAC) on or near the throttle body.
Where is the idle air control valve located?
Locating the Idle Air Control Valve
The IACV is usually located on the intake manifold near the back of the throttle body.
Can you clean an idle air control valve?
How do you clean an IAC valve? After relocating the IAC valve, you need to unscrew it and detach all the wires. You can clean it by soaking it in gasoline and blowing compressed air into it. Then, reattach it with the screws and reconnect the wires.
How do you clean an IAC valve?
Zitat von Youtube: You just want to clean this out make sure again your manual says that you could use a carb cleaner or some type of throttle body cleaner to clean this up.
How do I fix code P0505?
What repairs can fix the P0505 code?
- Replacing the IAC valve and cleaning the throttle body and passages.
- Removing carbon from throttle body and IAC passages and clean IAC.
- Repairing a vacuum leak in the engine intake manifold vacuum system or gaskets.
What happens if I unplug the idle air control valve?
If it works properly, stopping it would cause panic to your inactive engine. Normally, if you turn on your car, the inactive air control valve will increase and decrease the rpms engine slowly. It would be a sign that your IAC works.
How do you know if your IAC is bad?
Below are some of the most common symptoms of a faulty IAC:
- Illuminated Check Engine Light. …
- Incorrect Idle Speed. …
- Stalling. …
- Engine Won’t Start. …
- Check for Diagnostic Trouble Codes (DTCs) …
- Perform a Visual Inspection. …
- Test the IAC Valve (Without an OEM-Level Scan Tool)
How much does it cost to fix P0505 code?
Because the cost of labor and parts is so dependant on location and the make and model of your car, a total bill for fixing a P0505 engine code can range from $145-$550+. Expect a higher repair cost if the source of the code is difficult to find or other parts need replacing.
What is idle air control circuit?
Commonly called an idle air control (IAC) valve or idle speed control (ISC) valve, this device is used on many cable-operated throttle bodies to regulate the engine idle speed. This process is completed by regulating airflow through a bypass circuit around the throttle plate to increase or decrease idle speed.