P08A9 Diagnostic Trouble Code

P08A9 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 P08A9 diagnostic trouble code may include:

Diminished fuel efficiency
Fuel pressure too high
Malfunction Indicator Lamp (MIL) illuminated
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
Faulty IMRC actuator/sensor

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors.

Process Tips

Diagnostic trouble code P08A9 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 P08A9.

Fortunately, P08A9 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P08A9 Trouble Code For Specific Cars

P08A9 Ford Escape 3 Master Cylinder Pressure Sensor Circuit Failure
P08A9 Honda S600 Rear Wiper Select Switch "E" Short to Ground
P08A9 Piontek Sport-tech Evaporative Emission (EVAP) System Flow During Non-Purge Oldsmobile Only
P08A9 Connaught L2 Fuel Restriction Condition
P08A9 Bucciali Tav Cylinder #1 High To Low Side Open
P08A9 Alpine A442 Air Bag Passenger Circuit Resistance Low or Shorted Together
P08A9 Cisitalia 303 Exhaust Valve Control Solenoid Circuit Low (Bank 2)