OBD Guide
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P11A2

Camshaft Adjustment Actuator 'A' Cylinder 1

P11A2 is an OBD-II diagnostic trouble code meaning: Camshaft Adjustment Actuator 'A' Cylinder 1. Common causes: vvt solenoid valve malfunction, contamination or blockage of the phase change system. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable engine idling
  • Check Engine Light Illuminates
  • Possible problems starting the engine

Causes

  • VVT solenoid valve malfunction
  • Contamination or blockage of the phase change system
  • Problems with wiring or contacts
  • Low oil level or incorrect oil used
  • Mechanical damage to the VVT mechanism

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the operation of the VVT solenoid valve
  3. Check the integrity of wiring and contacts
  4. Clean or replace the phase change mechanism
  5. If necessary, replace the VVT actuator

Related codes

P11A1P11A3P11A4

FAQ

What does the P11A2 code mean?

P11A2 is an OBD-II diagnostic trouble code that indicates: Camshaft Adjustment Actuator 'A' Cylinder 1

What causes a P11A2 error code?

The most common causes of P11A2 include: VVT solenoid valve malfunction; Contamination or blockage of the phase change system; Problems with wiring or contacts; Low oil level or incorrect oil used.

How do I fix a P11A2 diagnostic trouble code?

To fix P11A2: Check the level and condition of the engine oil. Diagnose the operation of the VVT solenoid valve. Check the integrity of wiring and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P11A2?

Yes, but get it checked soon

How much does it cost to fix P11A2?

The estimated repair cost for P11A2 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat