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Oil problem on a 2004 mazdatook out the plugs found oil in the pistons

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You more than likely have a blown head gasket. Either that or a cracked head. Has it recently overheated or run out of coolant? Also, check coolant reservoir to see if it has oil in it too.

Posted on Nov 08, 2014


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What causes the plugs to immerse in engine oil?

Oil should not be getting into the top of the pistons and fouling the plugs. It looks like your piston rings are letting oil past and need replacing.

Oct 08, 2015 | 2007 Toyota Corolla 1.6

1 Answer

Changed spark plugs on a 2004 mazda found oil in the pistons #4#3#2#1 was no oil in it

You didn't find oil in the pistons, you found oil in the spark plug tubes. This is fairly common on older engines. Over time the seals in the valve cover begin to leak around the spark plug tubes. Oil then works it's way into the tube and settles in the bottom.

There is an easy fix. Simply replace the valve cover gasket.

Nov 08, 2014 | Cars & Trucks

1 Answer

Oil in plenum on a 2004 gmc sierra 5.3

PCV sucking oil?
EGR sucking oil?
are all spark plugs tips oil free, if not the EGR can suck that up.
the plenum has Air and fuel but also has the EGR+PCV gas cloud.
this normal smog cloud, makes carbon and oil .
The PCV sucks piston ring blowby gasses and oil vapor.
that is what it does.

Sep 27, 2013 | 1990 Honda Civic

2 Answers

When plugs were replaced oil in plug housing.2004 chev trailblazer 6cyl 4.2ltr

flashing light means dont drive or u can or will cause more damage to vehicle --[the computer is registering a damage causing malfunction] can be reason oil on plugs --need to have code read to properly pinpont problem--as to oil on plugs multi reasons such as bad oil seals on valve--valve bad-bent-burnt---head damage-gasket-cracked-warped---piston-cylinder-rings etc--need to do a compression test to determine the extent of damage

Apr 17, 2013 | 2004 Chevrolet TrailBlazer

2 Answers

2004 trailblazer transmission does not shift from second to third

Welcome to Fixya

Sounds like something let go, you could also have a stuck solenoid for that gear, or the clutch plates blew apart, this vehicle would need to have the computer scanned for codes to see if its a seloniod or speed sensor, if not then the trany would need to be opened and checked. This sounds like its time for a rebuild.

Thank you for using Fixya!

Apr 03, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

The oil level drops to one third after one 1.000 miles. There doesn't appear to be leakage

When you say one third, of 4.25qts that will be down to 1.3qts left in engine, well miles on car unknown.... still is a big lost on 1k mls, check your spark plugs for oil deposits and also remove your intake hose on the throtle body and check for traces of oil, if found you have stuck oil rings on your pistons, this happens by using wrong oil viscosity that plugs oil rings drains causing it to sludge and get stuck, al of this goes to a re-ring job needed.
Good luck

Jan 07, 2011 | 2004 Toyota Camry

2 Answers


The oil is seeping past the piston rings, which are apparently worn. You have to replace the piston rings.

Jul 14, 2009 | 2003 Toyota Corolla

2 Answers

Eng. shakes spits/sputters oil in spark plugs

I just had this fixed on my suby today. The cause is that the spark plugs, go through the valve covers on the 2.5 l .When the o rings in the cover go, the result is oil in the spark plugs. The cost of the repair in Canada was about $500 including diagnostics as well as new plugs and wires About 1.5 hours labor and new seals and gaskets. It now runs like new. This is a common problem for this subaru engine as well as for the dodge neon.

Apr 21, 2009 | 2004 Subaru Impreza

1 Answer

Oil in spark plugs

Could mean a variety of things.....
Possible head gasket leak....(cheap fix if caught early)
Possible Worn piston rings
possible valve guide oil seals

Jan 12, 2009 | 2004 Chevrolet TrailBlazer

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