Smart Ultimate B3684 Engine Trouble Code
Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
Smart Ultimate B3684 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 Smart Ultimate car engine light came on code B3684 the reason should be . However manufacturer may have a different definition for the B3684 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.
B3684 OBD-II Diagnostic Body (B) Trouble Code Description
B3684 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For B3684 Code
The reason of B3684 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.B3684 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.
B3683 Previous Engine Trouble Code For Smart Ultimate | Next Engine Trouble Code For Smart Ultimate B3685 |