Question about 2007 Mercury Mountaineer

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How to change spark plugs in a 2007 mercury mountaineer

Cylinder 8 misfire

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 10 Answers

SOURCE: 2002 Mercury mountaineer

you may have a bad coil---take a pair of rubber handle plyers & remove the spark plug wires 1 at a time---when you pull off a plug wire you should notic the truck runs even worse---the one you pull off & it doesnt change the way it runs--that is the cylinder that has the problem

Posted on Jun 28, 2008

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  • 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
ASE certified

Posted on Feb 09, 2009

landsend
  • 1066 Answers

SOURCE: misfire in cylinder 1 2001 mercury sable

Next change swap the injector with another and see of the problem moves.  If it does it's a bad injector.  

Posted on Mar 26, 2009

autotherapis
  • 501 Answers

SOURCE: I want 2 change 2004 mercury mountaineer transmission fluid

The best way to change it is to flush it out You can do it yourself, but I do not recommend. A shop that is good like a Monro or Firestone usually charges about 100 bucks to flush and that includes the fluid. If you do it yourself, you will save about 60 dollars, but you risk damage to your radiator.

you will need a hose and an adapter. you back out the lower, or upper cooler line for your trans, whichever is the easiest to get to, (Some trucks have an auxiliary engine oil cooler, but make sure you are flushing the trans lines) put the adapter into the rad where you removed the line, and put a hose from each one down into a bucket. Have about 14 qt's of ford trans fluid ready. Put the funnel into the trans dip stick, and start the engine. pour the qts into the dipstick tube while the old fluid is pumped into the bucket. When you have about two gallons pumped into the bucket shut the engine off and reattach the line into the radiator. start up the engine and check your level. Fill with additional fluid if needed.

note: some say you should drop the pan. two things, you only change half the fluid when you do it that way, and second if you need to change the filter because it is clogged, it is too late for the transmission. The filter is only there to protect the valve body, not keep the fluid clean.

Hope this helps

Posted on Nov 22, 2009

Molson02536
  • 3854 Answers

SOURCE: How do you reset the change oil message on a 2007

Ford Explorer, Mercury Mountaineer, 2002-07
To reset CHANGE OIL SOON/OIL CHANGE REQUIRED message on the Message Center, press the SET UP control to access the System Check mode. Press and release the RESET button to display “OIL LIFE % HOLD RESET NEW” is displayed. Press and hold the RESET button for 2 seconds until “IF NEW OIL HOLD RESET” is displayed. Press and hold RESET button until “OIL LIFE SET TO 100%” is displayed.
Ford Five Hundred, Freestyle, Mercury Montego 2005-06 Tap the ODO/TRIP button to toggle the display between the odometer and trip odometer. Tap on the ODOiTRIP button again to toggle the display between the trip odometer and OIL LIFE % display. Press and hold the ODO/IRIP button for 2 seconds or more to display OIL LIFE 100%. Your oil life in now reset.

Posted on Jan 06, 2010

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1 Answer

How do i change the spark plugs. And how many do i need for a 2005 mercury mountaineer mariner


4 plugs for a 4 cylinder, 6 plugs for a 6 cylinder and 8 for an 8 cylinder --none for a diesel
pull the coil / lead of each plug ( one at a time ) unscrew the plug using the appropriate tool and replace
when you have to ask these questions it will be cheaper and quicker to get them changed professionally ( plugs cost from $8.00 each for the cheapest to $25.00 each for top quality lines )
AS efi plugs seldom need changing but you have a problem like a misfire, run the fault codes first and have the injectors checked

Aug 28, 2016 | 2005 Mercury Mountaineer

3 Answers

96 MERCURY MARQUIS CODE P0308


Possible fuel injector.

Jan 25, 2014 | Cars & Trucks

1 Answer

I have a misfire in 1 cylinder I had just bought spark plugs and wires I went back and reguaged them all and it still has a misfire what else could it be I have a 2001 Mercury sable.


It could be a coil pack. Follow the wire from the spark plug back to the coil pack. each one should run two cylinders. Switch the coil pack with a different one and see if a different cylinder misfires. They are easy to change, just 2 7mm screws hold each one on.

Jul 10, 2011 | 2001 Mercury Sable

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

My #8 cylinder keeps misfiring on and off. Changed coil and spark plug, light went off but now my car is very sluggish what is it?


Years of misfires, you were unaware of,
may have ruined your exhaust converter.

Now it is partially blocked

Feb 17, 2011 | 2002 Mercury Grand Marquis

1 Answer

My 2003 mountaineer engine light is on. the code reads cylinder #8 the spark splugs have been changed, The mechanic says he has to take the top of the engine off to get to the problem. Is this true?


replace the ignition coils if you are having misfires. These engines are known for faulty coils. Replace all 8 spark plugs and coils. Does not require removing top part of the engine.

Sep 30, 2010 | 2004 Mercury Mountaineer

1 Answer

My 2004 mercury mountaineer is sputtering when accelerating up hills what is the problem


Depending on which engine you have,this sounds like bad sparkplug wires, or a bad coilpack,if you have the 4.6 engine then you have 8 coilpacks one for each cylinder,the best way to pinpoint which coil is bad is to have the computer scanned for history codes,maybe it picked up the misfire and stored the cylinder that was misfiring, hope this helps.

Apr 05, 2010 | 2004 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

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