Question about 1997 Mercury Mountaineer

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What do I need to do to change spark plugs and wires on 1997 mountaineer

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  • Mercury Master
  • 1,140 Answers

Spark plug wires just pull off and press back on. Make sure you grasp the wires by the rubber boot only. If you pull the wires by the wires, instead of using the boot, you can break the wires. Remove the plugs with a 3/8" ratchet, extension and a spark plug socket. I do not know if you have to remove anything to get access to the spark plugs and spark plug wires. You may need a universal joint to angle the ratchet.

Posted on Jun 13, 2014

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Posted on Jan 02, 2017

  • 104 Answers

SOURCE: How do you access the spark plugs 2002 mercury mountaineer

IIRC these are a coil over design. meaning the coil is over the plug. the coil should have one 8mm bolt holding it on the lower intake manifold. remove the coild to get to the spark plugs. look by the fuel injectors, coil should be just next to it or very close. coil usually says motorcraft on it and circle in design.

good luck
Michael
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Posted on Feb 09, 2009

  • 1 Answer

SOURCE: CAN

Remove the spark plugs through the wheel wells. It is easier to do this if you remove the wheel first.

Posted on Jun 08, 2009

rutherford_m
  • 63 Answers

SOURCE: how do you change the spark plugs on a 2003

  1. Most of the 4.6 Litre engines have some form of plastic cover, mine was held in place with two 11mm nuts at the front and press-fit connection at the back. Remove this cover to gain access to the spark plugs. You may need to disconnect the air hose going to the throttle body and some additional vacuum hose connections. Mark them with masking tape and numbers if you have any question about re-attaching them correctly. Along each side of the intake manifold you will see 4 round coils held in place with a 7mm bolt on each one. Remove the 7mm bolts from each coil. Each of these coils has a connector that will be disconnected by pinching the connector to release the catch and pulling gently. Do not worry about marking them unless the wire harness has been modified. The factory wire harness keeps the connectors next to the correct coil.
  2. Remove each coil and plug connector by gently turning the unit to break the rubber loose from the manifold, then pulling up on the coil/plug connector as a unit. Do not be alarmed if the rubber boot cover comes off, you can easily reattach it to the coil. Once the coils and rubber boots are removed, use your compressed air source or vacuum to remove as much debris from around the spark plugs as possible. Warning: Wear Eye Protection when using compressed air.
  3. Remove the spark plugs using the 5/8" spark plug socket, swivel, extension and ratchet. Some engine installations may require additional extensions or swivels to get the back plugs removed. It normally takes just an 1/8 turn to break the plugs loose and then about 4-6 full turns to fully remove the spark plugs. If the plug does not come out with the socket, use the magnetic pickup tool to pull the plug out. You will not be able to reach it with your fingers.
  4. Using the feeler gauges gap your new spark plugs to the correct gap for your vehicle. A typical spark plug gap for this engine is .054 inch. With the plugs gapped, fit the rubber fuel line to the top of a spark plug and then apply a small dab of anti-seize compound to the plug threads. Work the anti-seize into the threads a little bit and then insert the plug into the engine. The rubber fuel line will prevent you from cross-threading the spark plug and you should be able to turn the plug in about 3/4 turn or more easily. If not, remove the plug and make sure that it has not picked up any debris in the threads. If so, clear it out and try again. Once you have all of the plugs started, use the 5/8" socket to tighten them just 1/8 turn past their stopping point. Do not over tighten as this is the leading cause for plug-blowout with this engine series.
  5. With all of the spark plugs back in, you can then proceed to replace the coil/plug connectors. Replace the 7mm bolts for each coil and tighten them snugly but do not over tighten. With the bolts tight, the coil/plug connector should still rotate slightly. Reconnect the electrical connectors for each coil by gently pushing them in place until they click. They are indexed and will fit only in one direction.
    Reconnect the air hose to the throttle body and any vacuum lines that were removed. Replace the plastic engine cover and fasten it in place. That's it, your done.

Posted on Apr 28, 2010

  • 14585 Answers

SOURCE: do you need to change

Yes they eventually need changed. If you never had a tune up your probably due. Plugs, wires ,cap,rotor,airfilter, and fuel filter. All these affect the performance of the engine. Looses power, and can make it stall or cut out under loads, like when you make hard turns and the power steering pump is putting a load on the engine

Posted on Dec 03, 2010

canwoodjc
  • 3301 Answers

SOURCE: need a spark plug wiring

1-3-7-2-6-5-4-8 thats the firing order for your motor http://autorepair.about.com/library/firing_orders/bl-fo-2582.htm

Posted on Jul 08, 2011

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How to change spark pluigs on 1997 mercury mountaineer


A Simple 5/8 deep socket( get a spark plug socket they work nicer) and get some extensions and a ratchet and some swivels. I like to use 3/8 size tools. Once in a while a 1/2 tools may be nice if a plug is not coming out. Next soak the plugs in the engine with some penetrating oil if they are giving you a hard time. dont use alot, just 2 seconds of spraying. Allow engine to cool off to air temp. This will allow thing to not burn you or for you to damage the soft threads in the aluminum head.

Changing plugs have not changed much on these vehicles than vehicles in the past. Just remove the spark plug boots carefully. Now you can remove each spark plug. Use the extensions and swivels in many combinations if one is not working easy enough. Always make sure you know what gap these plugs need to be and set them. Always use an Anti-seize lubricant on the threads of the spark plugs. This will prevent them from under torquing and getting stuck in the future. Put preferably new spark plug wires back on and use Dielectric grease to prevent the boots from sticking to the spark plugs and from moisture getting in between them.

The first 30 seconds or so of running may be rough if you decide to use penetrating oil to loosen the spark plugs. This is why you should us as little as needed. More oil makes for longer crap running time. Just let the engine idle on its own and clear it out on its own. Dont rev the engine or force anything until it warms up to normal operating temps. Cold engines and revving is not good for internal parts.





Good luck :)

May 15, 2014 | 1997 Mercury Mountaineer

1 Answer

How to run wires 1997 mountaineer?


You need to replace the factory spark plug wire loom holders, see your local Ford dealer for the proper ones.

Jun 14, 2012 | Mercury Mountaineer Cars & Trucks

1 Answer

Recently replaced plugs and wires, but when i spray a little water on wires I see sparks jumping. bad wires?


yes, you should have at least 9 mm thick insulation on the wires. motorcraft or other name brand. Also, add Motorcraft XG3A di-electric grease to the plug wire boots at both ends.

please rate if this helps you

Oct 11, 2011 | 1997 Mercury Mountaineer

1 Answer

Im sorry,its a 1997 ford 302 (1997 mercury mountaineer) codereader indicates 'no. 7 cylinder misfire'


remove the #7 spark plug if it does not look fouled start the vehicle with the plug still connected and look at the ground electrode for any spark it should be a white arc which indicates a high intensity spark if its orange/red it is a weak spark. If you get a poor spark try removing any other spark plug and test it on the #7 coil wire If you still get a poor spark then your plug wire or ignition coil is to blame and would need to be replaced. You can swap your plus wire to test it in the same way as well. hope this helps

Mar 05, 2011 | 1997 Mercury Mountaineer

1 Answer

I need to change the spark plugs and wires


To change spark plugs you will need a 5/8 socket and extensions and a ratchet, you will go above the front tires using the socket and extensions to change the spark plugs, makes it alot easier, do one at a time along with changing the wire to prevent mixing them up.

Feb 18, 2011 | 1997 Mercury Mountaineer

1 Answer

1997 Mercury Mountaineer What is Catalyst Efficiency Below (Bank


it means the catalyst is worn out, the efficiency is monitored by sensors, when the Cat falls below a certain reading or "threshold" the code is generating telling u that u need a new catalytic converter.

Feb 18, 2010 | 1997 Mercury Mountaineer

1 Answer

#4 cylinder is misfiring in my 1997 toyota tacoma 4x4. Auto parts store put on machine and got this result. They say that it could be spark plug. Any Ideas. Looses power on mountain.


Possible causes for a misfire:
Spark plug
Spark plug wires
Weak or bad coil
Dirty or a bad fuel injector
Low compression in cylinder
This is a case of testing and process of elimination. Have them all tested to find out which one is the culprit. Change the plug and wire to a different cylinder, if the misfire happens in that cylinder, you'll know it's either the plug or the wire. Without doing any testing, it's hard to say what the cause is.

Feb 10, 2010 | 1997 Toyota Tacoma

2 Answers

My 2002 honda accord check engine light has been on for the past month. i took m y car to get the engine codes read and it said cyl 2 and 4 misfired. the car drives good but starts losing power when i go...


Did anyone check the spark plugs and wires? Make sure the Spark plugs are the correct NGK Spark plugs, nothing else. Fuel pressure is another thing that need to be verified under a load, lke the mountain you are having trouble with.

Nov 12, 2009 | 2002 Honda Accord

1 Answer

CAN


Remove the spark plugs through the wheel wells. It is easier to do this if you remove the wheel first.

May 11, 2009 | 1997 Mercury Mountaineer

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