Why can't the engine accelerate when starting?

1 Answers
Seth
07/29/25 4:17pm
Reasons why the engine can't accelerate when starting: 1. Carbon deposits: Mainly carbon deposits in the valves, idle motor, intake tract, combustion chamber, and spark plugs; 2. Traffic congestion: Vehicles driving on congested roads for long periods will frequently accelerate or decelerate, leading to a feeling of weakness when driving again; 3. Poor fuel quality: Poor fuel quality can affect the gasoline filter and fuel lines, leading to poor fuel supply, and also impact the lifespan of the exhaust system's three-way catalytic converter. A clogged three-way catalytic converter can directly affect vehicle acceleration, increase fuel consumption, and result in sluggish acceleration.
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