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B21AB Engine Trouble Code

B21AB code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B21AB Code Meaning :

B 2 1 a b
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Engine Oil Temperature Sensor Malfunction Cylinder 10 Contribution/balance Fault Exhaust Gas Recirculation Sensor B Circuit High
  Engine

When you check car engine light came on code B21AB the reason should be . However manufacturer may have a different definition for the B21AB OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B21AB OBD-II Diagnostic Body (B) Trouble Code Description

B21AB engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For B21AB Code

The reason of B21AB OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B21AB 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.

B21A1 Previous Engine Trouble Code For Next Engine Trouble Code For B21B0