Why does the Accord have sluggish acceleration?
2 Answers
Honda Accord's sluggish acceleration is mainly due to insufficient fuel supply to the engine. Using a diagnostic tool to test the PGM-FI system and A/T system shows no fault codes. Here are the relevant details about the acceleration issue: 1. Normal gear operation: Both D and R positions reach 2500r/min, which is normal. Time-lag test results: 1.1s for D position and 1.2s for R position, with normal response in all gears. Basic inspection of the engine and automatic transmission also shows normal results. 2. Essential conditions for normal engine operation: Not only sufficient fuel supply but also adequate air intake. A clogged air filter or throttle system can lead to insufficient air intake. 3. Check the electrical system: Internal combustion engines require spark plugs to ignite the fuel entering the engine, so the condition of the spark plugs directly affects the ignition state. Spark plugs are consumables and need to be replaced after a fixed mileage.
My car has also experienced similar issues, with a sluggish feeling during acceleration, mainly likely due to the fuel system. An aging fuel pump or a clogged filter can lead to insufficient gasoline supply, failing to keep up during sudden acceleration. On the ignition side, worn spark plugs or faulty coils can affect combustion efficiency, resulting in weakened power output. A dirty air filter can also restrict air intake, leaving the engine undernourished and naturally lacking strength. Aggressive driving habits may lead to carbon buildup, sticking in the throttle body or combustion chamber, causing blockages. The transmission is also a concern; if the automatic transmission in an Accord shifts slowly, the acceleration response will lag, requiring checks on the fluid or controller. If you notice any issues, stop and investigate immediately to avoid accidents at high speeds.