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The engine will be losing compression, and possibly burning oil. Check each cylinder to determine the compression. The loss could also be caused by a valve problem.

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Q: How do you tell if piston rings are bad?
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Related questions

Why is there oil on your spark plugs?

bad valve seals, bad piston rings bad valve seals, bad piston rings


How would oil get into exhaust system?

Worn piston rings, bad valve seals,


Car burns oil?

bad piston rings or a bad cylinder all together look up a rebuilder bad piston rings or a bad cylinder all together look up a rebuilder Worn piston rings and or bad valve seals. Could be from high mileage or poor maintenance either way there is no cheap fix.


How does fuel get into the oil on a td5 defender?

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What are the symptoms of bad compression piston rings?

loss of power


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smoke loss of power


How do you fix piston rings?

you don't fix piston rings. if you have bad rings you have to pull the piston and replace them. on most vehicles you have to pull the engine, then you take off the heads and oil pan. unbolt the caps from the bottom of the rod and push it out the top.


What causes a lawn mower to throw gas out of exhaust?

bad piston rings


What causes fuel in the engine oil?

Bad piston rings. Get new engine.


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You might have bad piston rings, main cause of that because once you wear your rings out your gas is then able to seep past your piston rings into your oil and into your pan.


Would a bad camshaft position sensor cause the car to burn oil?

no, you have bad piston rings


Why there is rings in piston?

The piston rings create a seal between the piston and the cylinder wall.