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P0801 Engine Trouble Code

P0801 Engine

When you check engine light came on code P0801 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 P0801 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.

P0801 Code Meaning :

P 0 8 0 1
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Manifold Absolute Pressure/Barometric Pressure Circuit High Input Cylinder 10 Contribution/balance Fault Glow Plug/Heater Circuit 'A' Malfunction

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.

P0801 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0801 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Reason For P0801 Code

The reason of P0801 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

P0801 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.