Chevrolet Deville P2421 Engine Trouble Code

Chevrolet Deville P2421 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Chevrolet Deville P2421 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

4
Engine Oil Temperature Sensor Malfunction

2
Cylinder 10 Contribution/balance Fault

1
Exhaust Gas Recirculation Sensor B Circuit High

When you check Chevrolet Deville car engine light came on code P2421 the reason should be . However manufacturer may have a different definition for the P2421 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P2421 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2421 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P2421 Code

The reason of P2421 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P2421 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.

P2420 Previous Engine Trouble Code For Chevrolet Deville

Next Engine Trouble Code For Chevrolet Deville P2422

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