Ford 1998 Escort User Manual download pdf (Page 8)

position to check the bulb. If it

comes on after the engine is

started, one of the engine’s

emission control systems may be

malfunctioning. The light may

illuminate without a driveability

concern being noted. The vehicle

will usually be drivable and will not

require towing.

What you should do if the

Service Engine Soon light

illuminates

Light turns on solid:

This means that the OBD II system

has detected a malfunction.

Temporary malfunctions may cause

your Service Engine Soon light to

illuminate. Examples are:

1. The vehicle has run out of fuel.

(The engine may misfire or run

poorly.)

2. Poor fuel quality or water in the

fuel.

3. The fuel cap may not have been

properly installed and securely

tightened.

These temporary malfunctions can

be corrected by filling the fuel tank

with good quality fuel and/or

properly installing and securely

tightening the gas cap. After three

driving cycles without these or any

other temporary malfunctions

present, the Service Engine Soon

light should turn off. (A driving

cycle consists of a cold engine

startup followed by mixed

city/highway driving.) No

Instrumentation

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