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Mike V.
Mike V., Technician
Category: Mazda
Satisfied Customers: 25508
Experience:  25 yrs. experience with all makes and models. Factory trained on Nissan and Subaru.
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What could cost the tail pipe to blow out smoke when you

Customer Question

What could cost the tail pipe to blow out smoke when you smash the gas
Submitted: 2 years ago.
Category: Mazda
Expert:  Mike V. replied 2 years ago.

Hi there,

This is usually a sign of a rich fuel mixture or unburned fuel going through the exhaust. Typical causes would be poor running, bad spark plugs, possibly a bad mass air flow sensor. If it's been a while since the plugs were replaced the engine may not be burning the fuel as good as it should be.

Please let me know if there is any more I can do to help you from here.

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