No.19 Exhaust Smoke - Mazda rx8 Troubleshooting Manual

NO.19 EXHAUST SMOKE

19 EXHAUST SMOKE
Blue, black, or white smoke from the exhaust system
DESCRIPTION
Blue smoke (Burning oil):
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White smoke (Water in combustion):
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Black smoke (Rich fuel mixture):
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POSSIBLE
CAUSE
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WARNING:
repair procedures. Read the following warnings before servicing fuel system:
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CAUTION:
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Engine internal oil leakage (Oil seal, side seal, apex seal etc.)
Cooling system malfunction (coolant loss)
Engine internal coolant leakage
Air cleaner restriction
Intake-air system is collapsed or restricted.
Excessive fuel pressure
Improper engine compression
Engine internal malfunction
Abnormal engine oil condition (viscosity, deterioration)
Low oil pressure
Excessive fuel pressure
Air mixed in oil line
Metering oil pump clogging in oil pipe
Leakage or clogging in oil pipe
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Leakage or clogging in oil nozzle
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Injector fuel leakage
Ignition system malfunction
The following troubleshooting flow chart contains fuel system diagnosis and
Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage.
Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries
or death and damage. Fuel can also irritate skin and eyes. To prevent this, always
complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR
PROCEDURE" described in this manual.
(See BEFORE REPAIR PROCEDURE .)
(See AFTER REPAIR PROCEDURE .)
Disconnecting/connecting quick release connector without cleaning it may possibly
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