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I have antifreeze leaking into cylinder number 4 cant find out where it is coming from keeps fouling sparkplug

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Posted on Jan 02, 2017

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SOURCE: antifreeze leaking into cylinders on 2000 ford

more than likely,,,a blown head gasket,,this gasket seals the water ports in addition to cylinders,,expensieve repair,,less,,if you do it yourself,,has your car overheated,,,that can blow a gasket quickly,,,sometimes it will also leak on the outside of the engine,,look for leaks,,either way,,probably needs new head gasket,,good luck.

Posted on Jan 21, 2011

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SOURCE: witch cylinder is the number 1 cylinder on a 97

The front engine cylinder / # 1 , 2 , 3 , 4 from front to rear from ford motor site

Posted on Oct 02, 2013

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I have a1999 Ford expedition we have already replaced cylinder 5 also new fuel pump and tank now the check engine light comes on we check it its the p0303 code what makes this keep happening

I believe there was a TSB on this problem. If I remember correctly the 303 is a misfire on cylinder 3.

There was a hose clamp leak on the thermostat hose and the antifreeze would run down and short out the coil or sparkplug wire boot. The TSB just pointed out that the hose clamp could occasionally leak.

If you moved the wires, the inside of the wire could have broken. It happens once the wires get "cooked" and become hardened. Also possible is a cracked coil-pack.

Mar 01, 2013 | Ford Taurus Cars & Trucks

1 Answer

Why is there a misfire detected-cylinder number 4

Any one of several reasons

Ignition to that cylinder is week or not there at all

Injector issues-too rich,too lean or dead

Vacuum leaks almost anywhere

Mechanical damage-failed valves,head gasket,
intake gasket

Could keep going depending on motor design

Dec 12, 2012 | 1998 Buick LeSabre

1 Answer

Oily sludge in car radiator

Sounds like you have a bad head gasket or cracked block. You need to have a compression test done of the cylinders and have someone look at the sparkplugs.

The sparkplugs may show something to keep the repairs on one side of the engine instead of both sides. Get the engine inspected before adding any chemicals to it.

The new chemicals may be of some help, but are a patch and not a repair. I can not recommend a product I have not used, but the old style Barrs leak is not as effective as some of the modern chemicals for your particular problem. You have oil leaking into the water system.

Anytime you have 1 product leaking into another, you have a potential for them to mix and transfer. Antifreeze will find its way into the oil system eventually and more costly problems will result.

With the testing I recommended, you may be able to save about a third of the cost of the engine repair if the problem is only on one side of the motor(V6 or V8).

Jan 25, 2012 | 1992 Ford Explorer

1 Answer

Chevy vortec 305 misfire on # 6 cylinder

Could be 1 of 3 things sparkplug fouled,sparkplug wire or a faulty injector or injector wire connector has a poor connection.Also if this engine has 1 coil per cylinder then the coil for that cylinder could be faulty.

Jan 20, 2012 | Cars & Trucks

3 Answers

My 95 tahoe seems to be burning oil. #3 cylinder had a fouled plug. i fixed that but it smokes when i accelerate hard & i dont know where the oil keeps going.

Do a cylinder leak down test

It will possibly tell you if the rings are an issue

The other problem would be valve seals

Apr 25, 2011 | 1995 Chevrolet Tahoe

1 Answer

2005 3.5l some times smokes oil then stops

Smoke oil? For what your thinking that is oil? Smoke coming from the tailpipe is not good news, but does not necessarily mean the engine needs rebuilding. First, you need to determine what color of smoke is coming from the tailpipe
* White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area.
* Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe.
* Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.

If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Keep us updated.

Apr 15, 2011 | 2005 Mitsubishi Diamante

1 Answer

Changed water hose on my car losing a little water cant find a leak when i open the water cap seems a lot of pressure wnen i open the cap even when its cold

It sounds like you have a Head gasket leak or a cracked Head or Block. Check your Sparkplugs for color and fouling. It can be in the early stages of failure and the Sparkplugs are holding up; or the leak is putting Antifreeze into the oilpan. Check the Dipstick. Somehow engine compression is getting into the water passages. Check exhaust for sweet smell while running and excess vapor which is actually steam.

There are several ways to find this type of leak. A Radiator pressure tester will show a drop in pressure. This will verify the problem. You will be able to find an external leak with this test. If you use a Chemical Tracer, the Pressure tester will force the Tracer into the crack. The Tracer is more reliable than depending on Antifreeze color to find the leak and will show up in the oil.

By checking the Sparkplugs for telltale signs first, on the V engines you may only have to remove 1 cylinder head instead of 2. This will save you time and money. If you have no luck in identifying which side is bad, both will have to be checked by removal.

There are products which claim to seal these leaks. The Radiator pressure can range from 14 to 21 PSI. Without engine compression of 140 to 180 PSI the sealers sometimes work. But if engine compression is getting into the Radiator you will be blowing out antifreeze through the overflow pipes.

You did nothing wrong in changing the Radiator hose. You just repaired the weakess link. Now that the hose is stronger the leak moved somewhere else. Good luck on this repair. The Tracer chemicals are available at Autozone, Oreillys and several other places.

Aug 03, 2010 | Ford Escort Cars & Trucks

1 Answer

1998 windstar 3.0 # 3 missfire code changed wires ,plugs, coil , injector, only code is missfire number three cat not plugged any ideas?

Head gasket could be blown allowing antifreeze to get into that cylinder and causing the plug to foul. Need to do a compression check and pay special attention to the cylinder at fault for low compression reading. If there is a head gasket bad, the two cylinders beside each other are usually low; also, you should see some drop in antifreeze if this is happening.

Jan 15, 2010 | Ford Windstar Cars & Trucks

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