why would there be black smoke coming from the exhaust constantly whilst accelerating? its a 1.9 cdti.
Apr 6, 2010 at 4:04 PM
2004 Vauxhall Vectra black smoke
2004 VAUXHALL VECTRA
MEADMACHINE4
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Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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The air and fuel mixture is too rich
Probable causes of an engine running rich are as follows:
1.Fuel pressure not within specs.Can be cause by restricted fuel return line or defective fuel pressure regulator.
2.Defective Oxygen Sensors.
3.Leaking injectors.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Probable causes of an engine running rich are as follows:
1.Fuel pressure not within specs.Can be cause by restricted fuel return line or defective fuel pressure regulator.
2.Defective Oxygen Sensors.
3.Leaking injectors.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Apr 6, 2010 at 4:26 PM
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