Alfa Romeo 159 C0421 Engine Trouble Code

When your car's 'Alfa Romeo 159 C0421 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.

Alfa Romeo 159 C0421 Code Meaning :

When you check Alfa Romeo 159 car engine light came on code C0421 the reason should be . However manufacturer may have a different definition for the C0421 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.

C0421 OBD-II Diagnostic Chassis (C) Trouble Code Description

C0421 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For C0421 Code

The reason of C0421 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

C0421 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.

C0420 Previous Engine Trouble Code For Alfa Romeo 159

Next Engine Trouble Code For Alfa Romeo 159 C0422