P2355 moderate

Intake Manifold Runner Control Position Sensor/Switch Circuit Intermittent

The P2355 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Runner Control Position Sensor/Switch Circuit Intermittent. This is a moderate severity code.

My Garage →
Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$200 - $500 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Reduced engine power at higher RPMs
  • Rough idle or slight hesitation
  • Whistling or vacuum leak sound from intake area
  • Decreased fuel efficiency

Probable Causes (Ranked by Likelihood)

  • Loose or corroded position sensor connector Very High
  • Intermittent wiring fault in sensor circuit High
  • Failing runner position sensor Moderate
  • PCM connector issue Low

Step-by-Step Diagnostic Procedure

  1. Read and document freeze frame data for P2355

  2. Inspect intake manifold runner flaps for free movement and carbon buildup

  3. Test runner control actuator operation with a scan tool bi-directional test

  4. Check wiring continuity and connector condition for the runner control circuit

Frequently Asked Questions

What does P2355 mean?

P2355 indicates a problem with the intake manifold runner control system: Intake Manifold Runner Control Position Sensor/Switch Circuit Intermittent. This system optimizes airflow into the engine at different RPM ranges.

Can I drive with P2355?

You can drive short distances. The engine may feel less responsive at certain RPMs but is generally safe for short trips. Schedule a repair to restore full performance.

How much does it cost to fix P2355?

Repair costs range from $200 to $500 depending on whether the actuator, sensor, or manifold runner assembly needs replacement.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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