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Oil level increasing due to diesel getting in to motor slowley

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You didn't mention make & model of vehicle. Whether it runs on gas or diesel.
I'm just going to guess that this is a diesel engine, and diesel fuel is getting into the engine, that is the crank case.
This is a serious problem, you need to take your vehicle to an authorized mechanic as soon as possible. The crank case can get hot enough to create a spontaneous combustion, and destroy the engine, and more. It's a running b0mb. Have it towed!
I've seen an engine explode; it tossed the car over 20' into the air, and when it came down, the car was demolished.

Posted on Apr 16, 2015


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Motor oil went up a lot in the crankcase

Assume you mean the engine oil level on the dipstick is getting higher?

I would be surprised if it is hydraulic oil (unless you know different) but I suppose diesel fuel is a possibility though it is many years since I have heard of such a thing, especially if the engine is otherwise running smoothly.
The last time I saw that was on a small diesel engine with a conventional dpa type injection pump driven by oil-fed gears. The pump had sprung a leak and begun to fill the engine. There was no mistaking the strong smell of diesel...

An internal coolant leak can have the same effect but without the smell of fuel.

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Blown GMC 6.6 engine or not?

If you fixed the bad connectors and the truck holds water, that is a good sign. If you got it too hot and cracked or warped a head then it would be loosing water either out of the head or out of the tail pipe. Keep a close eye on your coolant level and your oil level. Make sure that your coolant isn't dropping and that your oil isn't increasing. Keep a close eye on your gauges that everything stays where it should. If the truck still runs fine and fluids stay where they should, you might have gotten very lucky. With the amount of miles on the vehicle it is always good to plan for the worst but hope for the best.

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1 Answer

I have a Nissan frontier 2001,and i spend to much gas,i did check the oil level and the oil smell to gas

I do not know the model whether is Petrol or Diesel. Any one of the two is the fuel gets into oil due to problem with the fuel pump either diaphragm or diesel pump oil seal. Ask an expert to check it.

Nov 22, 2013 | Cars & Trucks

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Oil light on with plenty of oil on dip stick

Not only does the Oil light come on when it is low, it will also come on when the PRESSURE IS LOW or if the Pressure Sending Unit has gone bad or is DIRTY.

a. If you keep driving it, you can blow the motor if it is low oil pressure.
b. If it is low pressure, it could be due to blockage of passages or worn parts.
c. You can add Diesel Fuel (1.3 quarts to your Oil, do not drive it but let it idle for 15 mins... Drain the Oil and add a thicker oil (20w-50) and see if the light goes out.
d. Put a Gauge on the Engine and check the Oil Pressure. If it is low, and the oil increase to 20W-50 or 40 weight does not help... you are looking at pulling the engine.
e. If the Pressure is normal, I would replace the Oil Pressure Sending unit.

Good Luck

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1 Answer

Diesel mixed with engine oil increasing level of engine oil

Usually if outside o rings fail the its often soon after the inside rings and seals go to. injector pump overhaul the solution. You could just remove the pump and replace the front seal but it would only be a short term fix as the bushings in pump are likly worn

Dec 10, 2012 | Cars & Trucks

1 Answer

1994 f350 diesel loose oil pressure as rpm increase what is it.

How many miles on the engine? Replace the oil w/ a 75/25 blend of Motor oil and Lucas Oil Stabilizer.This may help some but I'm afraid the engine needs an inframe overhaul.

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1 Answer

My toyota lucida is pouring black smoke out of the exhurst and oil leval light is on

Is it a diesel or petrol motor? If it is Diesel or petrol then black smoke is a sign that it is using excessive fuel so it could be a blocked air filter or fuel filter. if it is a diesel motor. So check these 2 items first.
The low oil level light is on because the engine needs the oil topped up, if you fill it to the correct level this will make the oil level light switch off. Hope this helps, let me know how you get on.

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2 Answers

Oil in 2000 lincoln ls is 4 quarts low after only 3 months, now there is knocking in engine.


This noise can mean bad news, but, let's not panic and try something.

Some times when oil level gets too low, the lifters discharge and valves start making a quick knocking noise that doesn't quit even if the oil level is normal.
and increases when you step on the gas.

This happened to my friend's car and fix the problem adding a Valve Quiet oil additive, in a couple of minutes the noise was gone.

If this is not the noise you are hearing, take it to a mechanic shop for repair, preferably on a Tow Truck, because the more you run the engine, the more damage you can cause to it.

Good Luck

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