P218B Diagnostic Trouble Code

P218B 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 P218B diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
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 vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Now, clear the codes and test-drive the vehicle to see if the code is reset.

Process Tips

Diagnostic trouble code P218B 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 P218B.

Fortunately, P218B is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P218B Trouble Code For Specific Cars

P218B Asl Garaiya Air Suspension RF Air Spring Solenoid Output Circuit Short To Battery
P218B Vauxhall Prince Pressure Control Solenoid C
P218B Ford Wind Motor # 1 Input Circuit Short to Gnd
P218B Fisker Tramonto Left Rear Center Sensor Circuit Short to Vbat
P218B Mg F Air Suspension RR Air Spring/Shock Solenoid Output Circuit Short To Ground
P218B Iveco Daily 35s18 Seat Direction Switch Assembly Circuit Open
P218B Hyundai Pony