Frequently Asked Questions >> Test Results >> Causes & Effects

Causes & Effects

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CHARACTERISTIC CAUSES EFFECTS
     
Viscosity – High Contamination (wrong fluid)
Oxidation
High operating temperature
Reduced oil flow and oil
filter by–pass
Overheating
Increased cost
Viscosity – Low Wrong fluid
Dilution
Additive shear
Insufficient lubrication
Metal–to–metal contact
Overheating
Water⁄Coolant
Contamination
Coolant leak
Poor storage practices
Defective seals
Low operating temperature
Start–up⁄shutdown
High viscosity
Corrosion⁄acid formation
Reduced additive effectiveness
Poor lubrication
Fuel Dilution Extended idling
Faulty injectors
Incomplete combustion
Stop–and–go driving
Incorrect air–to–fuel ratio
Increased wear
Decreased oil pressure
Reduced engine life
Higher operating costs
Solids Wear debris
Oxidation products
Fuel soot
Extended oil drain
Environmental debris
Poor lubrication
Increased wear
Filter plugging
Reduced oil flow
Deposits⁄lacquer
Total Base Number (TBN) – Low Overheating
Extended drain interval
Improper lubricant
High sulfur fuel (off-highway engines)
Oil degradation
Additive depletion
Increased viscosity
Total Acid Number (TAN) – High Overheating
Extended drain
Improper lubricant
Oil degradation
Corrosion of metal
Acidic increase in oil
Particle Count Water contamination
Oil oxidation
Worn seals
Ineffective filtration
Increased wear
System failure
Equipment failure
Plugging⁄leakage