B1E4A Diagnostic Trouble Code

B1E4A 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 B1E4A diagnostic trouble code may include:

Carbon Buildup on O2 Sensor
Malfunction Indicator Lamp (MIL) illuminated
Hesitation upon acceleration
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Some aftermarket accessories and performance modifications

Repair Processes :

Look at the plug wires to make sure they are not burnt or laying on the exhaust. Now, clear the codes and test-drive the vehicle to see if the code is reset. 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 B1E4A 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 B1E4A.

Fortunately, B1E4A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B1E4A Trouble Code For Specific Cars

B1E4A Allard K Air Bag Diagnostic Monitor Ground Circuit Short To Ground
B1E4A Gaz Tschaika O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
B1E4A Maruti 800 Transmission 4-Wheel Drive Mode Select Short Circuit To Battery
B1E4A Ascari Ecosse Air Suspension RF Air Compress Request Exceeded Max Timing
B1E4A Daihatsu Feroza Gear Shift Position Control Error
B1E4A Gsm Flamingo Passenger Sid, Side mount Airbag Circuit Open
B1E4A Nissan 370z CID Low