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Toyota Avalon P0421 Engine Trouble Code

When your car's 'Toyota Avalon P0421 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Toyota Avalon P0421 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
0
Intake Valve Control Solenoid Circuit Low
4
Engine Oil Temperature Sensor Malfunction
2
Cylinder 10 Contribution/balance Fault
1
Exhaust Gas Recirculation Sensor B Circuit High
Toyota Avalon Engine

When you check Toyota Avalon car engine light came on code P0421 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0421 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0421 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0421 OBD-II Trouble Code The Engine Control Module ( P0421 code.

Reason For P0421 Code

The reason of P0421 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P0421 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.

P0420 Previous Engine Trouble Code For Toyota Avalon Next Engine Trouble Code For Toyota Avalon P0422

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