What Happens if Gasoline Gets in a Diesel Fuel Tank?
Gasoline in diesel fuel alters the fuel’s chemistry, causing serious engine problems. Mixing gasoline with diesel:
- Increases the flash point – fuel ignites sooner than it should, potentially causing engine damage.
- Reduces lubricity – the diesel fuel can no longer properly lubricate the injector pump and injectors, leading to premature wear.
Symptoms of Gasoline in Diesel Fuel
- Engine runs rough or unevenly
- Sudden loss of power or performance issues
- Increased wear on fuel system components
How to Know for Sure
If you suspect gasoline has been added to your diesel tank, the only way to confirm is to test the fuel. Continuing to run your engine without testing can destroy it in minutes.
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