Rolls-royce Phantom P1521 Engine Trouble Code
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.
Rolls-royce Phantom P1521 Code Meaning :
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Rolls-royce Phantom car engine light came on code P1521 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1521 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1521 OBD-II Diagnostic Powertrain (P) Trouble Code Description
P1521 OBD-II Trouble Code Variable Intake Solenoid #1 Circuit Malfunction is one of the definitions for the P1521; however your vehicles manufacturer may have a different definition for the P1521 code. Please check below for y P1521 code.Reason For P1521 Code
The reason of P1521 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.P1521 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.
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