1. converting an engine or vehicle to run on diesel fuel instead of gasoline
Usage: present participle of dieselize; technical/automotive
2. continuing to run or operate after the ignition is turned off, as a gasoline engine does when fuel ignites from residual heat
Usage: present participle of dieselize; informal

Examples

• The fleet is dieselizing its trucks to improve fuel efficiency.
• Many mechanics specialize in dieselizing older vehicles.
• The engine kept dieselizing even after we shut it off.
• Dieselizing a gasoline engine requires significant modifications.
• Poor fuel quality can cause the engine to start dieselizing.