B272E Diagnostic Trouble Code

B272E 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 B272E diagnostic trouble code may include:

Cherry red hot catalytic converter
Poor acceleration
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Reduction in engine performance, especially at low RPM levels

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the connectors. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code B272E 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 B272E.

Fortunately, B272E is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B272E Trouble Code For Specific Cars

B272E Daimler Super Heated Backlite Relay Short To Battery
B272E Rch 25 Fuel Volume Regulator Control Circuit Low
B272E Ssangyong Chairman LAMP DOME OUTPUT Circuit Short to Battery
B272E Alvis Tc108 Air Suspension Compressor Relay Circuit Short To Ground
B272E Toyota Passo P/ES Circuit Out Of Self Test Range
B272E Renault Torino HO2S Heater Control Circuit (Bank 2 Sensor 3)
B272E Lea-francis 1.5-litre System Voltage Low