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Check engine light?

Tiny
STEVEN619HURT
  • MEMBER
  • 2007 HONDA CIVIC
  • 194,999 MILES
Idle air control RPM higher than expected.
Monday, November 28th, 2022 AT 6:03 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

The idle air control valve is normally responsible for maintaining the engine's idle speed. However, this vehicle doesn't have one. The ECM controls the throttle actuator to maintain the proper idle speed according to engine loads.

What code are you getting?

Let me know.

Joe
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Monday, November 28th, 2022 AT 10:19 PM
Tiny
STEVEN619HURT
  • MEMBER
  • 14 POSTS
This one:
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Tuesday, November 29th, 2022 AT 1:29 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

The code indicates the idle speed isn't at a targeted rate. This can be caused by a few things. For example, it could be related to an engine vacuum leak. Also, it could be as serious as the powertrain control module (PCM)

I attached diagnostics below. You will see the abbreviation HDS. That stands for Honda Diagnostic System. You don't need that specific one, but one that can communicate and actuate different things is needed.

Take a look through the directions and let me know if you are comfortable performing them.

Take care,

Joe

See pics below Note: I made the assumption that this has a 1.8L engine. If you have the 1.4L turbo, let me know.
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Tuesday, November 29th, 2022 AT 6:39 PM

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