Kabous Le Roux24 January 2024 | 5:16

Dodgy diesel is rife. THIS is what it does to your engine

The first (of many) signs of trouble typically appear in a diesel vehicle's injectors, followed by potential issues with the fuel pump. Followed by going utterly broke.

Dodgy diesel is rife. THIS is what it does to your engine

Diesel, petrol / Pixabay: ResoneTIC

John Perlman interviews Warren Tucker, Resident Motoring Expert on 702's Weekend Breakfast.

Listen below.

An investigation by the Department of Mineral Resources and Energy has found 70 filling stations that sell dodgy diesel. 

Minister Gwede Mantashe recently warned consumers about the increasing prevalence of contaminated diesel. 

Tucker says the phenomenon is nothing new and that the diesel price is unregulated, leading to slight variations in prices.

The first signs of trouble typically appear in a diesel vehicle's injectors, followed by potential issues with the fuel pump.

Engine-related issues include soot accumulation, causing the diesel particulate filter (DPF) to become clogged and resulting in decreased performance.

"This has been going on for a long time."
- Warren Tucker, motoring expert
"It's just got a really, really bad knock-on effect."
- Warren Tucker, motoring expert

Scroll up to listen to the full interview.