Code : P12A3
Make : MINI
Description : P12A3 MINI Turbocharger Boost Pressure Minimum Pressure Front Of Throttle Valve Implausible
Possible causes :
– Faulty Manifold Absolute Pressure (MAP) Sensor
– Manifold Absolute Pressure (MAP) Sensor harness is open or shorted
– Manifold Absolute Pressure (MAP) Sensor circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
what will cause the map sensor to go bad. its possable that i was driving with a vaccum leak the crankshaft hose at the valve cover to the manifold was crack at one end could that have caused the map sensor to go out