Question about 1998 Ford Expedition

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I smelled some anti freeze in the spark plug cylinder 1998 expedition

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  • 4 Answers

I suspect you have a cracked head.

Posted on Oct 26, 2012


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Posted on Jan 02, 2017

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SOURCE: Where are the spark plugs located on a 1998 Ford

Hi, it should have a chrome fuel rail on each side. Right below that are the injectors. Just to the side are the coils , unplug the coils, remove the retainer screws, pull the coil streight up and the plugs are under them. There is a coil per plug.

Posted on Mar 20, 2009

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SOURCE: 1998 ford ranger, number 3 cylinder mis fires.

When you change the plug what color is the tip of the old one? This could be the answer to your problems. It should be a light beige or tan if everything is working properly.Just take one of the old plugs down to your local garage and get the mechanic to have a look at it. He'll be able to tell you why it keeps misfiring. Hope this helps.

Posted on Nov 29, 2009

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SOURCE: brake fluid and anti freeze

DOT Type 3 or better. Look at the brake fluid cap - it will tell you there.

Anti freeze? Go to your full service auto parts store or your authorized Ford Dealer to get the proper anti freeze for your Expedition.

thanks for your question at

Posted on Jan 06, 2010

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SOURCE: 1998 ford expedition misses, ,shudders, replace

The coil is not seated correct or it has become bad also. These have a tendency to mess up on a regular basis. I use a di-electric grease on mine to help it from misfiring. I would take that #4 back off and re-seat it and see how it performs.

Posted on Apr 04, 2010

Testimonial: "Thanks, I'll try to reseat it and see. "

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SOURCE: 1998 Expedition: 2000 Ford Expedition I smell antifreeze with heate...

If you smell antifreeze it may be 3 possibilities: 1. you may have a leaking hose/hose connector , or water pump. 2. your heater core is bad and needs replaced. Unless you know what you are doing I would highly suggest taking to dealer for heater core replacement. The dash and steering colum has to be removed to get to the heater core. This is not an easy job believe me (about-900-1200 job). If you have your heater core replaced then also replace the climate control door. This is good preventative maintenance and also a a dollar saver. I would have a pressure check run on your radiator as a first thought. All you may have is a bad hose and that can easily be replaced.

Posted on May 20, 2010

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98 expedition 5.4 4x4 with dual a/c..sputters and shakes while idle and driving...please help me ! i have replaced 5 of the 8 spark plugs till i can get to the back 3 (pain in the ****) no change not even...

When you know the symptom who needs codes?And if there was a code it probable say lean bank 02. why simple you have a misfire. the smell rich exhaust the shake and sputter in drive. 2 causes the Expedition suffer from ,An open EGR valve.If you can change a fuel filter and change a spark plug you can test this. when the engine is running and misfire at idle and the vehicle is warmed up and at operating temperature. Turn off engine. Go to the EGR is it hot to touch. because if it is it open and this the the culprit.Another misfrie is from COP (coil on plug.)When you change the spark plug where any of the spark boot torn or worn that spark can go through. Or even a faulty COP will do this .To find it you have the engine running and lift one COP out of the cylinder and listen for a engine drop if the engine RPM drop the COP is good if no change in engine the COP is bad. By the way 600rpm in drive is low

Feb 27, 2012 | 1998 Ford Expedition

1 Answer

Where are the freeze plugs located on a 1998 Ford Expedition with a 5.4L ?

There are plugs on both the driver's and passenger's side of the engine block and both cylinder heads [outboard side of each head]. There are also several plugs located in the rear of the block. The transmission must be removed to access these rear plugs. You should have changed your antifreeze more often!

Aug 22, 2011 | 1998 Ford Expedition

1 Answer

When i stand next to the passenger fender i can smell antifreeze. it also over heats when i am driving but no loss of coolant on the ground wheather it is just parked or there over has a 2.2...

how often does it need to be filled? could be a hose leak or line leak but is burning off the motor or exhaust before it can puddle under car. does your exhaust pipe smell or produce a white steam ( smoke ) in color when running? this would indicate the motor has a bad head gasket or cracked head which is letting coolant burn through the cylinder(s), Double check for leaks, under and above motor. it takes a while for anti-freeze to burn off a hot surface due to its lubricant so wipe any wet area and check again. Also you can pull spark plugs( noting what cylinder each plug came from) a spark plug will be very white or clean in color if that cylinder is burning coolant,which indicates a bad gasket or cylinder leak.

Aug 14, 2011 | 1998 Chevrolet Cavalier

2 Answers

My 1998 ford exoedition check engine light is on and the code is cylinder 5 missfire

A P0305 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #5.

Symptoms may include:
* the engine may be harder to start
* the engine may stumble / stumble, and/or hesitate
* other symptoms may also be present

Causes: A code P0305 may mean that one or more of the following has happened:
* Faulty spark plug or wire
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector
* Burned exhaust valve
* Faulty catalytic converter(s)
* Running out of fuel
* Poor compression
* Defective computer

Possible Solutions:
* If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

* If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Hope this helps.

Mar 17, 2011 | 1998 Ford Expedition

1 Answer

97 ford expedition 5.4 motor blew out spark plug and Agee it was repaired it smokes while at idle with an oil smell

I don't think I've ever seen that happen. But if there was enough pressure or explosion to blow out a spark plug, assuming it was tight. then there is probably internal damage, perhaps to the rings. Have a compression test done on that cylinder and check the spark plug for oil fouling.

Jan 01, 2011 | 1997 Ford Expedition

2 Answers

My 1998cadillac deville overheats and white smoke comes out alot.

You need to remove the intake manifold and check for leaks
No leaks there,pull the heads

May 24, 2010 | 1998 Cadillac DeVille

1 Answer

Engine light went on and front end is shuttering when I hit the gas but not over 50 mph

my 2000 expedition was doing the same thing i repalce the spark plugs and the cowl pack on top of the plugs you do not have to get the whole cowl pack you can just replace the boot the boot is around $12.00 and the whole thing is around $65.00 also check your intake to make sure its not leaking anti-freeze or the gasket is bad. give these websites a try and if all fails stop by your local library and get your hands on a Haynes auto repair manual for your SUV wish you the best of luck Michigan Man.

Jan 30, 2010 | 1998 Ford Expedition

2 Answers

98 Expedition # 3 Misfire

bad spark plug wire coil pack that the most common thing smell and shacking sure its not running on all cylinder to find out what broken start the engine disconnect at coil pack cylinder number 3 be carefull not to get a shock disconnecting the wire if lots of spark to it back disconnect wire at the plug when removing it should here spark jumping if good change the spark plug it should fix it if not let me no good luck pierre

Sep 17, 2008 | 1998 Ford Expedition

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