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Fault codes › P00xx — Fuel and air metering, auxiliary emission controls › P0046

P0046

MODERATE

Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance

What this code means

Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance. This family covers the measurement of incoming air and injected fuel, together with the emission devices attached to them. A fault here distorts the mixture the engine burns, which costs fuel and raises emissions.

How to read this code

  • PPowertrain
  • 0standardised code
  • 0Fuel and air metering, auxiliary emission controls
  • 46P0046

The letter P names the system: Powertrain. The digit 0 that follows marks a standardised code, shared by all manufacturers code. The next digit, 0, locates the fault: fuel and air metering, auxiliary emission controls.

What to do

Have it checked this week. The car remains usable, but the fault will not clear itself and will fail the roadworthiness test.

Clearing a code switches the light off but repairs nothing: if the fault remains, the code comes back.

Nearby codes

P0046

System
Powertrain
Fault family
Fuel and air metering, auxiliary emission controls
Severity
MODERATE
Origin
Standardised generic code
Read this code on your own car

Klaro shows this code and the others in plain words, alongside live engine data. An OBD2 adapter is required, sold separately.

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