B2514 Diagnostic Trouble Code

B2514 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 B2514 diagnostic trouble code may include:

Fuel pressure too high
Diminished fuel efficiency
Rich or lean exhaust
Lack of power

Possible Causes :

Faulty IMRC actuator/sensor
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
Faulty IMRC actuator relay (if equipped)

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look at the plug wires to make sure they are not burnt or laying on the exhaust. 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.

Process Tips

Diagnostic trouble code B2514 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 B2514.

Fortunately, B2514 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2514 Trouble Code For Specific Cars

B2514 Elva Courier Injection Pump Fuel Metering Control "A" Intermittent (Cam/Rotor/Injector)
B2514 Brasinca 4200 Convertible Top Up/Down switch Fault
B2514 Toyota Altezza Not in P or N During KOEO / KOER
B2514 Buick Wildcat Damper LF Circuit Short to Ground
B2514 Alfa Romeo Gt Air Assisted Injector Control Circuit or Circuit Low
B2514 Opel Astra Data Mismatch #2 (receive data does not match what was expected)
B2514 Cadillac Model D Dim Panel Decrease Input Circuit Short To Battery