Why does my diesel smoke?

Posted on 9/20/2018

A close up of a car engine with the hood open | J&H Automotive

Why does my diesel smoke? When your diesel is smoking that is typically (not always) unburnt fuel. That means that smoke is raw diesel coming out the tail pipe. When you're looking for fuel economy is not the way to go. We can make your pickup run more efficiently and still have all the hauling capabilities that you purchased it for. 



Happy Adventures


Heather

By jhautoinc September 15, 2026
CP4 Pump, Fuel system
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You're going to love this.
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Your engine should not look like this.
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