Page 289 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

Malfunction indicator lamp (mil) indicator

The MIL (Malfunction Indicator Lamp) indicator on a digital panel board gauge signals the presence of a
malfunction or fault in the vehicle’s engine or emissions system. When illuminated, it alerts the driver that the
onboard diagnostic system has detected a problem that needs attention. Common issues that trigger the MIL
indicator include engine misfires, emissions system faults, or sensor malfunctions. It’s essential to address the
underlying problem promptly to prevent potential damage to the vehicle and ensure it meets emissions standards.
check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management
system used to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap)
to serious (worn spark plugs, engine problems or a faulty oil valve, etc.). Found on the instrument panel of most
automobiles, it usually bears the legend engine,[1] check engine, service engine soon, maintenance required,
emiss maint,[2] or a pictogram of an engine—and when illuminated, it is typically an amber or red color.

Cooling system indicator

A cooling system indicator on a digital panel board gauge typically displays vital information about the cooling
system of a device or equipment. It might show parameters such as coolant temperature, coolant level, fan speed,
any alarms related to overheating or malfunctioning components within the cooling system.This information is
crucial for maintaining the optimal operating conditions of the equipment and preventing potential damage from
overheating.If the coolant warning light becomes illuminated on your dashboard as you’re driving along, it’s a
certain sign that your engine is overheating. In order for your car to work,series of explosions are created in the
combustion chamber.

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CITS : Automotive - Mechanic Diesel - Lesson 84