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It will break a lot of expensive parts.
If the water gets into the fuel, it will blow the tips off your fuel injectors...and new injectors are several hundred bucks apiece. This is why every diesel engine made in at least the last fifty years has a fuel/water separator which you MUST drain on a regular basis.
If enough water gets into the cylinders the engine will hydrolock. Hydrolock happens when there's more water in a cylinder than there is cylinder volume at top dead center. The piston will hit the water and stop moving. The engine, not expecting there to be water in it, will keep on trying to force the piston upward. The least thing that will happen is you'll bend a connecting rod, which means an overhaul. The next worst thing is the head can break...in addition to bending all the rods in the engine. The next worst thing is the crankshaft can bend or break. The next worst thing is all of the above can happen at the same time. And the VERY worst thing that can happen is, besides your engine blowing up, diesel fuel can get loose, contact the hot engine, ignite and burn up whatever the engine is in.
What else can I help you with?
What would happen if you put watered down diesel into an engine?
Diesel with water in it will blow the ends off the fuel injectors, which is why maintaining your water separator is so important.
How does water get in diesel Detroit s60 engine?
Either condensation or someone put it there. Diesel can get into the coolant, but it won't happen the other way around.
Can you use water as a fuel for engine instead of diesel?
no
Why Water mix with engine oil in diesel engine?
Blown head gasket
What is rust inside of diesel fuel tank caused by?
water
How do you replace the fuel filter on a 2001 Chevy Silverado 2500hd diesel?
Under hood, center, upper engine area, passenger side, rear corner of engine, mounted inside water separator housing
What is water inside tank?
What will happen if water gets inside gas tank
What could cause excessive white smoke from a diesel engine?
water
How would water get into the fuel system on a diesel engine?
Water is attracted to diesel fuel. Moisture in the air gets in there. That's why you need the special filters for this.
What are the symptoms if water gets into diesel car engine?
A small amount of water, engine will idle poorly and lose power. A large amount of water, engine will cease to run.
Where to find fuel filter on a 1999 F250 7.3 liter power stroke diesel?
Under hood, center, upper engine area, passenger side, rear corner of engine, mounted inside water separator housing.
Why oil is mixed with water in Renault 1.5 dci diesel engine?
There is a water leak somewhere in the block.
