OBD Guide
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P16D0

Intake Rocker Arm Solenoid Valve 2 Stuck Off

P16D0 is an OBD-II diagnostic trouble code meaning: Intake Rocker Arm Solenoid Valve 2 Stuck Off. Common causes: solenoid valve jammed, oil passages are dirty. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Loss of engine power
  • Increased fuel consumption
  • Unstable operation at idle
  • Check Engine Light Illuminates
  • Deterioration in acceleration dynamics

Causes

  • Solenoid valve jammed
  • Oil passages are dirty
  • Valve electrical circuit problems
  • Engine control unit malfunction
  • Worn or dirty VVT valve

How to Fix

  1. Check the condition of the engine oil and replace if necessary
  2. Clean or replace rocker arm solenoid valve
  3. Check the electrical circuit of the valve for opens and shorts
  4. Check the operation of the VVT system using diagnostic equipment
  5. If necessary, replace the rocker valve

Related codes

P16D1P16D2P16D3

FAQ

What does the P16D0 code mean?

P16D0 is an OBD-II diagnostic trouble code that indicates: Intake Rocker Arm Solenoid Valve 2 Stuck Off

What causes a P16D0 error code?

The most common causes of P16D0 include: Solenoid valve jammed; Oil passages are dirty; Valve electrical circuit problems; Engine control unit malfunction.

How do I fix a P16D0 diagnostic trouble code?

To fix P16D0: Check the condition of the engine oil and replace if necessary. Clean or replace rocker arm solenoid valve. Check the electrical circuit of the valve for opens and shorts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16D0?

Yes, but get it checked soon

How much does it cost to fix P16D0?

The estimated repair cost for P16D0 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat