What Causes the Engine Light to Illuminate in a Ford Focus?

1 Answers
LeilaniLee
07/30/25 4:30am
The reasons for the engine light illuminating in a Ford Focus are: 1. From the perspective of the fuel supply system, the quality of the fuel, whether the fuel pump's working pressure is normal, and whether the fuel injector and carbon canister solenoid valve are functioning properly are the main causes of the engine light coming on; 2. In the ignition system, any component such as the cylinder wires, ignition coils, or spark plugs not working properly can lead to insufficient engine combustion or excessive exhaust emissions, thereby triggering the engine light. The Ford Focus is equipped with a 1.5L naturally aspirated engine, delivering a maximum power of 128kW and a maximum torque of 243Nm, paired with an 8-speed automatic transmission. Its front suspension uses a MacPherson independent suspension, and the rear suspension employs a multi-link independent suspension.
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