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P112F fault code: what it means

P112F: Manifold pressure too high for the throttle angle (bank 1). Usually an intake or boost leak.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. intake or vacuum leak
  2. crankcase vent valve fault
  3. faulty manifold pressure sensor

P112F by make

BMW

Manifold pressure too high for the throttle angle (bank 1). Usually an intake or boost leak.

Usual causes: intake or vacuum leak; crankcase vent valve fault; faulty manifold pressure sensor

Mini

Manifold pressure too high for the throttle angle (bank 1). Usually an intake or boost leak.

Usual causes: intake or vacuum leak; crankcase vent valve fault; faulty manifold pressure sensor

What the repair usually costs

Not sure what P112F 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.