C0889 Diagnostic Trouble Code

C0889 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 C0889 diagnostic trouble code may include:

Reduction in engine performance, especially at low RPM levels
Vacuum leak on the engine
Diminished fuel efficiency
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Dirty air cleaner element Damaged DPF

Repair Processes :

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. 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.

Process Tips

Diagnostic trouble code C0889 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 C0889.

Fortunately, C0889 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0889 Trouble Code For Specific Cars

C0889 Sheffield-simplex 30 Insufficient RMP Increase During Spark Test
C0889 Talbot Rapier Mirror Passenger Left Circuit Failure
C0889 Nag Voran Camshaft Position Sensor Circuit Low Input
C0889 Daihatsu Delta Gear Shift Position Circuit High
C0889 Fiat 10 Hp Kick Down Switch Circuit Malfunction
C0889 Toyota Solara Parking Brake Switch Circuit Failure
C0889 Ferrari Mythos IVC Solenoid Circuit Malfunction