P2229 Diagnostic Trouble Code

P2229 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 P2229 diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

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. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem.

Process Tips

Diagnostic trouble code P2229 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 P2229.

Fortunately, P2229 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2229 Trouble Code For Specific Cars

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P2229 Honda Legend Purge Flow Sensor Circuit Low Input
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P2229 Adler 10 ABS Inlet Valve Coil RF Circuit Short To Battery
P2229 Gaz 33 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
P2229 Glas 1700 P/ES Circuit Out Of Self Test Range