Ambassador Custom P121A Engine Trouble Code

Ambassador Custom P121A 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.

Ambassador Custom P121A Code Meaning :

When you check Ambassador Custom car engine light came on code P121A the reason should be . However manufacturer may have a different definition for the P121A OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P121A OBD-II Diagnostic Powertrain (P) Trouble Code Description

P121A engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P121A Code

The reason of P121A OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P121A 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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