Question about 2003 Ford Escort

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Went to change spark plugs, found oil almost covering plugs,

Is it normal for oil to be around plugs and if not what causes this problem

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  • 240cpa May 11, 2010

    Is the oil on the outside of the engine around the plug wire or did you find the tip of the plug where the spark is emitted coated in oil? If the oil is on the outside, this is coming from a leaky valve cover that can be repaired by tightening up the screws a little at a time. Tighten one until it makes contact with the cylinder head and then tighten the one across the valve cover to the same tension. Move around until they are all tightened the same. Alternating the screws that are being tightened keeps you from warping the valve cover. If the oil is on the spark end of the plug and there is a lot, you may need to replace the piston rings on that cylinder.

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I would recomend changing rocker gasket do not over tighten nuts very easy to sheer them off as they are only tiny and should onlybr done up tp about 5ft lb

Posted on Jan 20, 2009

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1998 Acura 3.5rl My engine light came on got the codes P1206 P1399 its a misfire in cylinder6 and to start with spark plugs what should I do if it stays on And how bad this could be, please help(:


Plugs rarely cause a misfire. Bad gas mileage yes. Try swapping plug wires first and see if the misfire follows the swap. If it does, you still need a tune up, plugs wires, cap, and rotor. If it doesn't, pull the plugs and do a compression test on it. If it is within specs(sorry, I don't know the numbers). Then do a tune up. Look at number six plug. Causes for the plug to misfire would be, Cracked ceramic, fouled out from oil, and in some cases the electrode is completely burnt away.

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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.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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Yeah, kind of. The valve cover gasket needs replaced. The seals around the plugs go first because of heat. If the oil mark was near the top of the plug boot, replace the valve cover gaskets/seal. If it was near the bottom, slap in the plugs and wires.

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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

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The fault is due to the valve cover gasket passing oil into the spark plug wells. There are circular seals under the valve cover around each spark plug well opening. These spark plug well seals come with the valve cover gasket set.

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Hi i have a 1990 Honda Accord 2.0. Is it normal for oil to be down in the spark plugs under the Head area?


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I have a 2001 Ford F350 Superduty. When it is cold out side it leaks diesel from the fuel filter/water seperator. So far this only happens when it is cold outside. If I plug the truck in it does not do...


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The problem is usually resolved by adding an additive to the fuel tank, or having a water separator with a heater., There are also weap-around heating cables which can be fitted to fuel lines to aleviate the same problem. If your water separator has an automatic dump valve, you might like to check that it is functioning correctly and the water content is not freezing and providing an exit for the diesel fuel.

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Take a thin cloth or napkin and absorb the oil, you may have to use a screwdriver or ? to push the cloth down beside the plug.

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Oil around spark plug and car mis fires


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