C0302 Mercedes Cla Diagnostic Trouble Code
C0302 Mercedes Cla code definition:
C0302 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Mercedes Cla.
C0302 Mercedes Cla or the Evaporative Emission Control System Incorrect Purge Flow is the set whenever the computer sees that there is a problem with the flow coming from the purge valve or the purge flow is not enough within the EVAP system. Other serious codes may cause this code to pop up, and they may come with dangerous drivability issues that may expose you to safety risks and cause damage to the engine in the long run.
Symptoms
Symptoms of a C0302 Mercedes Cla diagnostic trouble code may include:
- Corroded or damaged connector
- If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
- Lack of power
- The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
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Possible Causes :
- Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
- Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
- Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
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Common Misdiagnoses
- Control Module Throttle Actuator Position Performance Problem
- Air Conditioning (A/C) Clutch Feedback Circuit High Voltage Problem
- Cruise Vehicle Speed/Set Speed Difference Too High Problem
- Kick-Down Switch Failed Short Problem
- Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit Problem
Repair Processes :
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.
Now, clear the codes and test-drive the vehicle to see if the code is reset.
Process Tips
Diagnostic trouble code C0302 Mercedes Cla 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 C0302 Mercedes Cla.
Fortunately, C0302 Mercedes Cla is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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