← Back to Search Severity: Medium

P0564

P0564: Idle Air Control (IAC) Valve Circuit Malfunction

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Powertrain
System

📖 What Does P0564 Mean?

The idle air control (IAC) valve circuit has malfunctioned, causing the engine to idle rough or stall.
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Symptoms

  • Rough idling
  • stalling
  • hesitation when accelerating
  • decreased fuel efficiency
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Common Causes

  • Faulty IAC valve
  • clogged air filter
  • vacuum leaks
  • faulty throttle position sensor
Fix Guide
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Possible Solutions

1. Check and clean the IAC valve, 2. Replace the IAC valve if faulty, 3. Inspect and replace the air filter, 4. Check for vacuum leaks and repair, 5. Check and replace the throttle position sensor if faulty

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Common Questions About P0564

Q

Can I drive with code P0564?

A

You can drive for a short time, but should address code P0564 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix P0564?

A

The estimated repair cost for code P0564 is between $50 and $200. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Need a Pro?

Complex codes like P0564 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with P0564

💡 Why These Codes Are Related:

  • Similar Issues: Same root cause or component failure
  • Related Problems: Often occur together due to system interactions
  • Sequential Codes: Progressive failure stages or multiple sensors
  • Same System: Components within the same automotive system