OBD Guide
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B11F0

Air Intake Damper Position Sensor Circuit

B11F0 is an OBD-II diagnostic trouble code meaning: Air Intake Damper Position Sensor Circuit. Common causes: open or short circuit in the sensor circuit, damper position sensor malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Unstable idle
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Open or short circuit in the sensor circuit
  • Damper position sensor malfunction
  • Contact problems or corrosion
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring and sensor contacts
  2. Check the resistance and signal of the sensor with a multimeter
  3. Replace sensor if necessary
  4. Clean contacts and eliminate corrosion

Related codes

B11F1B11F2P0101

FAQ

What does the B11F0 code mean?

B11F0 is an OBD-II diagnostic trouble code that indicates: Air Intake Damper Position Sensor Circuit

What causes a B11F0 error code?

The most common causes of B11F0 include: Open or short circuit in the sensor circuit; Damper position sensor malfunction; Contact problems or corrosion; Engine control unit (ECU) malfunction.

How do I fix a B11F0 diagnostic trouble code?

To fix B11F0: Check the integrity of the wiring and sensor contacts. Check the resistance and signal of the sensor with a multimeter. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B11F0?

Limited driving only, diagnose soon

How much does it cost to fix B11F0?

The estimated repair cost for B11F0 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat