What are the common faults of electronic throttle pedals in diesel vehicles?
1 Answers
Damage to the electronic throttle pedal in diesel vehicles can result in unresponsive acceleration, slow acceleration speed, or unstable idling. Below are the reasons why diesel vehicles emit black smoke when accelerating: 1. Poor diesel quality: The performance indicators of the diesel used do not meet the standard requirements, leading to incomplete combustion and black smoke emission. Additionally, inferior diesel quality can damage the diesel filter, causing the diesel inside the engine to deteriorate, which results in black smoke. 2. Blocked air intake: The fuel tank of a diesel engine is not sealed, and prolonged exposure to air inevitably allows impurities and dust from the air to enter the air filter. These particles can clog the air intake, preventing sufficient air supply during diesel combustion, which easily leads to incomplete combustion and black smoke emission. 3. Insufficient compression force: One of the conditions for diesel combustion is a pressurized combustion environment. However, if components like valves and piston rings are worn, the compression pressure may become insufficient, failing to meet the required combustion pressure. This worsens the combustion conditions, leading to black smoke emission from the diesel engine.
