Spark plugs tell us the truth

[jskf16]

The examination in utmost Spark plugs can say to you if your machine has a problem that needs correction. They portray the attribution of well coordinated machine or badly maintained. The bad plugs can cause the overheat, the hard run, the loss of force and even the failure of machines. Check your plugs Spark plugs regularly and use this diagram as driver in the attribution of points of problems.


1. Normal


2. Regular with the red coating
Cause: Red coating of as resulting from fuels additional substance in unleaded fuels.


3. Fuels that are soiled
Cause: Defectively obstruction-excessive rich fuels problems of ignition of mixes or heat of plugs line too much cold.


4.Detonation
Αιτία:fuels with few octanes

 

[jskf16]

5. Worn plugs
Cause: plugs it was used beyond his duration of life.
Need for replacement.


6. Soiled from coal
Cause: Low algidity plugs, extensive low speed control.


7.Bad Ιgnition (knock sensor)
Cause: High algidity plugs , poor mix air of/fuels.


8. Soiled from coal
Cause: Bad control of oils, spoiled rings plugs, spoiled drivers of valves.

 

[jskf16]

9.Mechanic damage

 

[stonesie]

great post i always keep a good check on my plugs especialy after any changes .over the years i have heard a few horror stories about unscruples dealers only replacing outside plugs on service because inside take too long to get to