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P1266 Engine Trouble Code

P1266 Engine

When you check engine light came on code P1266 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1266 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P1266 Code Meaning :

P 1 2 6 6
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Ambient Air Temperature Sensor Circuit Low Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) Reverse Input Circuit

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P1266 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1266 OBD-II Trouble Code Cylinder #6 High To Low Side Short is one of the definitions for the P1266; however your vehicles manufacturer may have a different definition for the P1266 code. Please check below for your specific P1266 code.

Reason For P1266 Code

The reason of P1266 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P1266 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.