Porsche Cayman Type 981 B3940 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.

Porsche Cayman Type 981 B3940 Code Meaning :

When you check Porsche Cayman Type 981 car engine light came on code B3940 the reason should be . However manufacturer may have a different definition for the B3940 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B3940 OBD-II Diagnostic Body (B) Trouble Code Description

B3940 engine trouble code is about Reverse Input Circuit.

Reason For B3940 Code

The reason of B3940 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3940 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.

B3939 Previous Engine Trouble Code For Porsche Cayman Type 981

Next Engine Trouble Code For Porsche Cayman Type 981 B3941