P0AA2 Diagnostic Trouble Code

P0AA2 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 P0AA2 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Rich or lean exhaust

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.
Dirty air cleaner element Damaged DPF

Repair Processes :

It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. 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. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code P0AA2 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 P0AA2.

Fortunately, P0AA2 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0AA2 Trouble Code For Specific Cars

P0AA2 Ford Probe Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery
P0AA2 Abarth Otr 1000 A/C Post Heater Sensor Circuit Failure
P0AA2 Zender Vision SCP (J1850) Lack of Acknowledgment for Mirrors
P0AA2 Ford Freestyle Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery
P0AA2 Peugeot 305 EGI Temperature Sensor Failure
P0AA2 Abarth Lancia A/C Compressor Temperature Sensor Malfunction
P0AA2 Chevrolet Impala Dynamic Stability Control Left Front Valve Malfunction