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P0068 fault code: what it means

P0068: Airflow read by the MAF or MAP sensor does not agree with throttle position, so the engine computer cannot trust its air reading.

Engine and gearbox (powertrain) · Minor

Usual causes, most likely first

  1. air leak after the throttle body or MAF
  2. dirty or faulty MAF / MAP sensor
  3. dirty throttle body or faulty throttle position sensor

P0068 by make

Audi

Airflow (MAF/MAP) does not match throttle position. Usually dirty throttle or air leak; on 2021+ Audi 2.0 TFSI also check the oil filler cap.

Usual causes: dirty or faulty throttle body; vacuum leak / unmetered air (incl. intake runners); oil filler cap not sealing (2021+ 2.0 TFSI); faulty MAF (G70) or MAP (G71) sensor

Skoda

Airflow (MAF/MAP) does not match throttle position. Usually a dirty throttle body or an air leak.

Usual causes: dirty or faulty throttle body; vacuum leak / unmetered air (incl. intake runners); faulty MAF (G70) or MAP (G71) sensor

Volkswagen

Airflow (MAF/MAP) does not match throttle position. Usually a dirty throttle body or an air leak.

Usual causes: dirty or faulty throttle body; vacuum leak / unmetered air (incl. intake runners); faulty MAF (G70) or MAP (G71) sensor

What the repair usually costs

Not sure what P0068 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.