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Good news story

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maweida:
So my collegue just sold his Dmax with 300,000km to his son. No problems, just wanted a new one. Car was so good he just bought a brand new 2025 dual cab dmax (he loves it, the extra cog and electric steering).

He said only 2 issues. The cabin fan stopped working, and injectors needed replacing. He said the injectors suffered from fuel contamination from "Speedway at Liverpool, Sydney" not due to the car itself. He sampled the fuel and left it overnight in a clear container. In the morning the fuel had separated into 2 layers. His theory was they had diluted the fuel with heating oil.

Note to self, don't buy cheap diesel (it will cost you a fortune)

Bucko:

--- Quote from: maweida on Jul 10, 2025, 11:20:13 AM ---So my collegue just sold his Dmax with 300,000km to his son. No issues. Car was so good he just bought a brand new 2025 dual cab dmax (he loves it, the extra cog and electric steering).

He said only 2 issues. The cabin fan stopped working, and injectors needed replacing. He said the injectors suffered from fuel contamination from "Speedway at Liverpool, Sydney" not due to the car itself. He sampled the fuel and left it overnight in a clear container. In the morning the fuel had separated into 2 layers. His theory was they had diluted the fuel with heating oil.

Note to self, don't buy cheap diesel (it will cost you a fortune)

--- End quote ---

A photo would be good.    A Google AI reply.  "difference between heating oil and diesel australia"


In Australia, the key difference between heating oil and diesel lies primarily in their intended use and taxation. While they share a similar chemical composition, heating oil is dyed red to differentiate it from diesel, which is used in vehicles and subject to higher road taxes. Heating oil is also formulated differently, sometimes with additives to prevent gelling in cold weather,

Munro:

--- Quote from: maweida on Jul 10, 2025, 11:20:13 AM ---Note to self, don't buy cheap diesel (it will cost you a fortune)

--- End quote ---

I haven't seen damage yet thankfully, but certainly some correlation with economy.  My local Mobil, Metro and United servos are routinely among the cheapest when it comes to diesel... but curiously also give me the crappiest mileage.  Similarly, Costco (Mobil if I'm not mistaken?) diesel doesn't get me as far.

So far, BP (not Ultimate) and EG Ampol have consistently given me the best value regardless of how the car is driven.  Does this point to a quality issue, though?  That I cannot answer.

maweida:
there must be some differences if the fuel split into 2 layers, this is due to different densities.
maybe they chucked some kero in to make it go further!

Bucko:
If mixed Kero, or heating oil and or diesel will not separate.  They are petroleum-based fuels that are similar in composition and will form a homogeneous mixture.   I have used all three in my old Fordson tractor.
For the mixture to separate one would "not" be petroleum based. 

Here's a couple of photo's of fuel contamination.   I've got an old hi-lux (1984) which a caretaker put some fuel into.  He wondered why the fuel light came on and warning buzzer sounded. 

I ended up draining and cleaning the tank.  Changed the filter cleaning the lines.  Then put new fuel in it. Bled the system.  Then fired her back up and drove it back into the shed.       

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