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. 



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Heather

By jhautoinc January 30, 2026
These are vital to keep you safe on the road.
By jhautoinc January 27, 2026
Your engine will thank you.
By jhautoinc January 23, 2026
They help keep your engine cool.
By jhautoinc January 20, 2026
They need maintenance to keep them running.
By jhautoinc January 17, 2026
It's better for your engine. 
By jhautoinc January 13, 2026
They are more important than you know.
By jhautoinc January 10, 2026
A spark plug gap can cause a misfire.
By Bobby Poist January 7, 2026
They're important to keep you safe on the road.
By jhautoinc January 3, 2026
It's more often than you think.
By jhautoinc December 31, 2025
Batteries really don't like cold weather