Why does my diesel blow blue smoke?

Posted on 1/10/2019

A snowy forest with a fence in the foreground | J&H Automotive

If you're diesel is blowing blue smoke it typically means it's either burning oil when it shouldn't be or it's getting to much fuel in the engine and that isn't being used. Either of these issues can cause poor fuel mileage and your engine to not run as it should. 



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Heather

By jhautoinc July 3, 2026
It makes sure your coolant circulates through your engine.
By jhautoinc July 1, 2026
Your brakes should not make noise
By jhautoinc June 26, 2026
No one likes a hot car
By Bobby Poist June 23, 2026
It might not be what you think
By jhautoinc June 17, 2026
You've got options
By jhautoinc June 5, 2026
Your engine will not run without them.
By jhautoinc June 2, 2026
You need to be able to see properly
By jhautoinc May 29, 2026
They keep your vehicle safe
By jhautoinc May 26, 2026
Oil is vital
By jhautoinc May 22, 2026
It's important to keep you safe.