P2181 Engine Trouble Code
When you check engine light came on code P2181 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 P2181 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.
P2181 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Engine Oil Temperature Sensor Malfunction||Cylinder 1 Injector Circuit Low||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.
P2181 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP2181 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.
Reason For P2181 CodeThe reason of P2181 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.
P2181 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.