P1BE4 Diagnostic Trouble Code

P1BE4 is a kind of OBD-II Diagnostic P-Powertrain 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 P1BE4 diagnostic trouble code may include:

Hesitation upon acceleration
Excessive exhaust leak
Rich or lean exhaust
Lack of power

Possible Causes :

Some aftermarket accessories and performance modifications
A faulty oxygen sensor. This will set a code in itself, however, a faulty oxygen sensor does not automatically condemn the sensor. The code just means that the sensor signal was not within specifications. An air leak or any of the above will cause an erroneous signal. There is a multitude of O2 codes relating to O2 performance which gives a clue to the problematic area.
Faulty IMRC actuator relay (if equipped)

Repair Processes :

Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for.

Process Tips

Diagnostic trouble code P1BE4 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 P1BE4.

Fortunately, P1BE4 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1BE4 Trouble Code For Specific Cars

P1BE4 Eagle Vision Incorrect Module Design Level
P1BE4 Emf 30 Injection Pump Fuel Metering Control "A" Range/Performance (Cam/Rotor/Injector)
P1BE4 Fiat Dino Lamp Keypad Output Short Circuit To Ground
P1BE4 Tvr 1800 PNP Switch Out Of Self Test Range
P1BE4 Honda Ssm RESCU/VEMS Input Circuit Short to Battery
P1BE4 Turcat-mery 14 Pedal Forward / Rearward Potentiometer Feedback Circuit Short to Battery
P1BE4 Mercury Mountaineer Ii Air Suspension Rear Inflator Solenoid Output Circuit Failure