C0586 Diagnostic Trouble Code

C0586 is a kind of OBD-II Diagnostic C-Chassis 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 C0586 diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
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 :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code C0586 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 C0586.

Fortunately, C0586 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0586 Trouble Code For Specific Cars

C0586 Vauxhall Chevette Pressure Control Solenoid "B" Open Circuit
C0586 Mercury Mariner Air Suspension LR Height Sensor Circuit Short To Ground
C0586 Volvo 145
C0586 Chevrolet Sonic Electric Air Pump Primary Failure
C0586 Alfa 40-60 ABS Outlet Valve Coil RF Circuit Failure
C0586 Nissan Terrano Ii Cylinder #2 High To Low Side Open
C0586 Gaz M-21 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)