Nissan Sedan B3971 Engine Trouble Code
Nissan Sedan B3971 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.
Nissan Sedan B3971 Code Meaning :
OBD-II Diagnostic Body (B) Trouble Code For Engine
Ignition System Or Misfire
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Nissan Sedan car engine light came on code B3971 the reason should be . However manufacturer may have a different definition for the B3971 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.
B3971 OBD-II Diagnostic Body (B) Trouble Code Description
B3971 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For B3971 Code
The reason of B3971 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.B3971 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.
B3970 Previous Engine Trouble Code For Nissan Sedan | Next Engine Trouble Code For Nissan Sedan B3972 |