P2845 Diagnostic Trouble Code

P2845 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 P2845 diagnostic trouble code may include:

Faulty PCM
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Poor 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
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. 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. If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs.

Process Tips

Diagnostic trouble code P2845 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 P2845.

Fortunately, P2845 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2845 Trouble Code For Specific Cars

P2845 Porsche 912 Fuel Composition Sensor Circuit Low Input
P2845 Rambler Classic Fuel Temperature Sensor U Circuit Low Input
P2845 Dagmar 6 Gear Shift Forward Actuator Circuit / Open [forward motion, odd gears, 1,3,5]
P2845 Nissan Figaro Clutch position ckt short to ground
P2845 Seat 600 Injector Circuit Malfunction - Cylinder 6
P2845 Lada Priora Shift Solenoid B Performance
P2845 Ferrari 456 Intake Manifold Runner Control (Bank 1) Stuck Closed