OBD Guide

P11A8

Camshaft Adjustment Actuator 'B' Cylinder 2

P11A8 is an OBD-II diagnostic trouble code meaning: Camshaft Adjustment Actuator 'B' Cylinder 2. Common causes: vvt solenoid valve malfunction, problems with the oil system (low pressure, contaminated oil). Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine Light Illuminates
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Clicking or knocking noises from the timing chain area

Causes

  • VVT solenoid valve malfunction
  • Problems with the oil system (low pressure, contaminated oil)
  • Mechanical damage to the actuator
  • Open or short circuit in control circuit
  • ECU software requires updating

How to Fix

  1. Diagnose the VVT system
  2. Check the condition and pressure of the engine oil
  3. VVT Solenoid Valve Testing
  4. Check the integrity of the control circuit
  5. If necessary, replace the faulty component

Related codes

FAQ

What does the P11A8 code mean?

P11A8 is an OBD-II diagnostic trouble code that indicates: Camshaft Adjustment Actuator 'B' Cylinder 2

What causes a P11A8 error code?

The most common causes of P11A8 include: VVT solenoid valve malfunction; Problems with the oil system (low pressure, contaminated oil); Mechanical damage to the actuator; Open or short circuit in control circuit.

How do I fix a P11A8 diagnostic trouble code?

To fix P11A8: Diagnose the VVT system. Check the condition and pressure of the engine oil. VVT Solenoid Valve Testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P11A8?

Yes, but get it checked soon

How much does it cost to fix P11A8?

The estimated repair cost for P11A8 is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat