Audi S1 P3994 Engine Trouble Code

Audi S1 P3994 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.

Audi S1 P3994 Code Meaning :

When you check Audi S1 car engine light came on code P3994 the reason should be . However manufacturer may have a different definition for the P3994 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3994 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3994 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P3994 Code

The reason of P3994 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3994 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.

P3993 Previous Engine Trouble Code For Audi S1

Next Engine Trouble Code For Audi S1 P3995