P0505 Honda Civic: Understanding, Diagnosing and Resolving this Common Issue

Is your 2001-2005 Honda Civic showing a p0 505 code? This guide will help you address the issue, specifically dealing with the idle air control valve.

First things first, to tackle this issue, you need to disconnect the negative battery cable to reset the system. Then, follow these steps:

  1. Remove the four bolts securing the idle air control valve.
  2. Disconnect the air intake temp sensor and move it to the side.
  3. Release the clamp on the air intake.
  4. Unscrew and remove the idle air control valve.
  5. Clean the valve thoroughly using throttle body cleaner and a cotton swab.
  6. Replace the gasket if necessary.
  7. Reassemble the components in reverse order.

Remember to hand-tighten the screws and connectors to ensure they are secure but not over-tightened. After completing these steps, your Honda Civic should be ready to go!

What is the problem with the Honda Civic?

The problem is a p0 505, which is an idle air control valve.

What is the first step in the process?

The first step is to disconnect the negative battery cable.

What tools are needed for the job?

You will need bolts, a connector, air intake temp sensor, clamp, 8mm screw, Phillips screwdriver, impact driver, throttle body cleaner, cotton swab, gasket, and alcohol.

What is used to clean the idle air control valve?

Throttle body cleaner is used, and a cotton swab is recommended for application.

Where was the replacement part purchased from?

The replacement part was purchased from RockAuto for about three dollars.

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