B3711 Diagnostic Trouble Code

B3711 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a B3711 diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code B3711 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B3711.

Fortunately, B3711 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B3711 Trouble Code For Specific Cars

B3711 Volkswagen Bora Recirculation Override Circuit Malfunction
B3711 Packard De Driver Door Ajar Circuit Failure
B3711 Citroen C3 Ii Front Wiper Select Switch "B" Short to Ground
B3711 Bertone 4x4 Brake Fluid Level Sensor Input Short Circuit To Ground
B3711 Mercedes Gla Accelerometer Rear Circuit Short To Battery
B3711 Ford Expedition 3 Memory 1 Switch Circuit Short To Ground
B3711 Astra Utility Air Temperature External Sensor Circuit Short To Battery