C2047 Diagnostic Trouble Code

C2047 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 C2047 diagnostic trouble code may include:

Fuel pressure too low
Rich or lean exhaust
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.
Faulty IMRC actuator/sensor

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition.

Process Tips

Diagnostic trouble code C2047 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 C2047.

Fortunately, C2047 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2047 Trouble Code For Specific Cars

C2047 Morris Ten Four Cam Calibration Fault
C2047 Ford Escape 2 Master Cylinder Pressure Out of Range
C2047 Lamborghini Bravo Shift Solenoid F Control Circuit High
C2047 Toyota 2000 Neutral Switch Circuit Malfunction
C2047 Tornado Typhoon Motor Relay # 1 Circuit Short to Battery
C2047 Nissan 370z CID Low
C2047 Allard J1 Air Bag Diagnostic Monitor Ground Circuit Open