Citroen Cx P3978 Engine Trouble Code

Citroen Cx P3978 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.

Citroen Cx P3978 Code Meaning :

When you check Citroen Cx car engine light came on code P3978 the reason should be . However manufacturer may have a different definition for the P3978 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3978 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3978 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P3978 Code

The reason of P3978 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3978 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.

P3977 Previous Engine Trouble Code For Citroen Cx

Next Engine Trouble Code For Citroen Cx P3979