P2272 Diagnostic Trouble Code

P2272 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 P2272 diagnostic trouble code may include:

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

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Some aftermarket accessories and performance modifications

Repair Processes :

It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. 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. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code P2272 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 P2272.

Fortunately, P2272 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2272 Trouble Code For Specific Cars

P2272 Porsche Gt3 Fuel Pump Secondary Circuit High
P2272 Isdera Imperator
P2272 Chevrolet Montana EGI Mini - MAF Failed Out Of Range
P2272 Citroen Aventure Four Wheel Drive (4WD) Switch Circuit
P2272 Humber Sceptre Right Rear Stop lamp Circuit Failure
P2272 Alfa Romeo Alfa Accelerometer Rear Circuit Short To Ground
P2272 Honda Acura Tsx Pressure Control Solenoid C Control Circuit High