What are the consequences of a faulty EGR valve in a common rail fuel injection system?

1 Answers
LondonLee
07/29/25 6:28pm
The consequences of a faulty EGR valve in a common rail fuel injection system are: 1. Difficulty in engine starting and weak acceleration; 2. Failure to meet emission standards; 3. Black smoke from the vehicle's exhaust pipe; 4. Unstable idle or stalling at idle; 5. Flashing of the malfunction indicator light; 6. Burning of engine oil. Methods to clean the EGR valve in a common rail fuel injection system are: 1. Spray carburetor cleaner into the intake passage; 2. Spray carburetor cleaner onto the throttle body. The EGR valve is a mechatronic product installed on diesel engines to control the amount of exhaust gas recirculated back to the intake system, located on the right side of the intake manifold near the throttle body.
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