Question about John Deere 4020 Gas & Diesel Tractor Radiator

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325 skid steer had gasoline put in instead of diesel?

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Depends what the resulting mixture was.....

Upto about 10% gas won't cause a problem (except maybe a slight drop in power).

More than that, and the entire system will have to be drained. Drain & refil the tank, REPLACE the fuel filter, and purge the line to the injectors by cranking the engine until clean diesel appears at the injector union. Use 'easy-start' and keep spraying - the engine will crank itself - saves the battery and starter.

Re-connect the injector - should be good to go.

Posted on May 09, 2010


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Car doesn't have power its finds difficult going up a hill. recently they put petrol instead of diesel drove for 1 km before stopping and removed the fuel, cleaned the tank and the car started nor

Try changing the fuel filter. If that does not help, have someone test the injector pump for pressure. Last would be a compression test on the cylinders. Drain oil and replace oil filter very soon.

What has happened is the diesel fuel is a lubricant and gasoline is a solvent. As gasoline is much thinner, it could wash down the cylinders and get into the oil pan thinning the oil and ruining the bearings. This would be the reason to test the pressure in the cylinders to find out if you lost compression with the rings in the cylinders.

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