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Steps to change spark plugs on 2001 mercury cougar 2.5 engine

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Posted on Jan 02, 2017

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SOURCE: How to change a spark plug on a 2001 murcury cougar

Get a swivel fitting for your socket wrench. You may also need a short extension for the socket wrench. You will also need a spark plug socket to fit those plugs. Make sure that you pull the plug wires off by gripping the fat part of the plug wire and not the wire itself lest you tear it and ruin it.

Posted on Dec 28, 2008

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SOURCE: My son has a 2001 Mercury Cougar and it has a

I assume the check engine light is not on. I suspect you may have a slight vacuum leak, especially if it idles a little rough. Check all under hood vacuum hoses for cracks and make sure they are all connected.I also highly recommend you replace the fuel filter if you have no done so.

Posted on Aug 03, 2009

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SOURCE: Changing spark plugs on 2001 SL1 Saturn V-4

Remove the plugs, make sure the new plugs are gapped to .040, put anti-seize on the threads of the new plugs, then install them and tighten accordingly.

Posted on Aug 25, 2009

  • 111 Answers

SOURCE: 2000 mercury cougar is hestating when you step on

a multiple misfire code can relate to a fuel problem check filter pump pressure let me know alan wrench

Posted on Sep 13, 2009

  • 312 Answers

SOURCE: Where is the DPFE Sensor located on my 2001 Mercury Cougar

The dpfe is located at the back of the intake manifold on a metal bracket it has an electrical connector coming from it and 2 rubber hoses that go down to the exaust manifold

Posted on Dec 27, 2009

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I have a 1999 mercury cougar v6 2.5l and says that #5 cylinder misfires. When you go above 30mph to highway speed it starts to buck and kick. Check engine light also flashes and then stays on completely....


Sounds like its the #5 cylinder injector. But if you have to change it you better change 1-5 also. Because it will happen to the rest of them.

Mar 04, 2015 | 1999 Mercury Cougar

1 Answer

Torque value on 2001 mercury cougar head bolts and over head cam bolts on 2.5 engine


cylinder head bolts

step 1 30 ft lbs.

step 2 additinoal 90 degrees

step 3 loosen all bolts 360 degrees

step 4 30 ft lbs.

step 5 additional 90 degrees

step 6 additional 90 degrees

camshaft bearing cap bolts 89 inch lbs.

Dec 31, 2011 | 2001 Mercury Cougar

2 Answers

Engine turns over but won't start. plugs and wires changed


A diagnostic check of the vehicle will pinpoint your no starting problem,but if that isn't an option for you and you want to do the work yourself, follow these step's:
Check for spark WHILE TRYING TO CRANK THE ENGINE. If no spark is present,check to see if there is power coming from the switch during cranking. If you have spark,check to see if you are getting fuel. If you aren't getting fuel,check your fuel filter(it coud be clogged) and check ALL fuse's. If you aren't getting spark AND fuel,then check the crank sensor as it is the controller for spark and fuel delivery.

Mar 28, 2011 | 2000 Mercury Cougar

2 Answers

I have a 2001 mercury cougar with the 2.5L v6 engine and the number 2 cylinder is misfiring. ive replace the spark plugs and wires but it still misfires


Its time to do a injector balance and cylinder leakage test, to determine whether the injector or its circuitry is bad . The leakage test will tell you if the cylinder has a compression leak.

Mar 16, 2010 | 2000 Mercury Cougar

4 Answers

Where is the reset switch fuel pump on 2001 mercury cougar


The switch is located in the drivers side panel in the foot well, there is a hole in the panel for access to the reset button, this panel is commonly called the kick panel, it is to the left of your foot in the drivers foot well once again..

Jun 03, 2009 | 2001 Mercury Cougar

1 Answer

Check engine light on, engine running rough


evaporator is part of the fuel system, missfiring could be spark plug or bad coil

Mar 26, 2009 | 2001 Mercury Cougar

2 Answers

How to change a spark plug on a 2001 murcury cougar


Get a swivel fitting for your socket wrench. You may also need a short extension for the socket wrench. You will also need a spark plug socket to fit those plugs. Make sure that you pull the plug wires off by gripping the fat part of the plug wire and not the wire itself lest you tear it and ruin it.

Dec 27, 2008 | 2001 Mercury Cougar

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