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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8417
Experience:  I am ASE Master Truck Certified.
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I have a 1993 international truck blows a lot of black smoke

Customer Question

I have a 1993 international truck blows a lot of black smoke when accelerate and backfires
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Cat Man replied 1 year ago.

Thanks for asking your question and requesting me. I will try and help you out.

Can you get me the engine serial number please? Or can you tell me if this is a fully mechanical 3406?

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