Exhaust Smoke
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Mazda Tribute, 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Blue Smoke (Burning Oil):
- Check for PCV system malfunction.
- Check for internal engine oil leakage.
White Smoke (Water In Combustion):
- Check for cooling system malfunction (coolant loss).
- Check for internal engine coolant leakage.
Black Smoke (Rich Fuel Mixture):
- Check for restricted air filter.
- Check for Intake-air system collapsed or restricted.
- Check for fuel return line restriction.
- Check for excessive fuel pressure.
- Check for improper engine compression.
- Check for injector fuel leakage.
- Check for ignition system malfunction.