Close

Cummins ISX & ISB Difficult Hot Start

Problems

Several things could be causing a hot start issue:

Cause: Leak in the fuel system.

Solution: Look over all of your fuel lines for leaks, and repair/replace as needed.
diagnose

Cause: Poor fuel quality.

Solution: Use Diesel Extreme to clean out the entire fuel system of the truck.

Details

Replace fuel filters. If you have any questions, feel free to contact one of our diesel experts.

VIDEOS

Difficult Hot Start - Heavy-Duty Cummins Symptoms
The contents of HotShotsSecret.com, such as text, graphics, images, and other material contained on the Diagnose Your Diesel section are for informational purposes only. Always seek the advice of your mechanic or other qualified professional with any questions you may have regarding your vehicle’s condition.

TALK TO AN EXPERT

800-341-6516