What Causes the Honda Accord to Have Poor Acceleration?

[OscarRose]

Honda Accord poor acceleration reasons: Engine mechanical system failure: For example, low cylinder pressure leading to reduced engine power, which is more pronounced when the engine is cold, excessive carbon buildup on intake valves and intake pipes, etc. Excessive carbon buildup on intake valves and intake pipes: This causes the injected gasoline to be absorbed by the carbon deposits instead of entering the combustion chamber. Engine management system failure: For example, incorrect coolant temperature and intake air temperature signals, wiring faults, etc. Ignition system failure: For example, excessive carbon buildup on spark plugs or incorrect gap, leakage in high-voltage wires or distributor cap, damaged ignition coils, etc. Fuel supply system failure: For example, injector issues caused by excessive internal carbon deposits leading to incomplete sealing or clogging.