Question about 1987 Mercury Cougar

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I changed my spark plugs and now my 87' mercury cougar 3.8 l will not start. My plugs seem to be down all the way

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Are the plug wires on the same plugs that they came off? They need to go on the EXACT same spot that they came off. I would check that and make sure that your wires are pushed onto the plugs all the way and also on the cap and coil.(The other things that the plug wires go to).

Posted on Sep 07, 2010

  • janine_mcfar Sep 09, 2010

    Hay thank you i did put the wires exactly where i took them off from it turned out that i needed new wires even though i had spark on the first cylinder i must not of had enough evey where else i went and bought new wires and when i was replacing them i had rust coming out of the of the wires at the distributor so i think that was the problem. thank you for the help.

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1 Answer

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

Cougar troubleshooting


Spray some starter fluid into the air intake and see if it fires. If it does, then immediately shuts off, its probably a fuel problem. If it doesnt, it could be a spark problem ( which is more common). Check the spark from each wire(lots of videos online for how to do this). If the spark is bad in one of them, change the wires. If spark checks out, try changing the spark plugs. If problem persists, it could be air. Get back to me anod i'll help more when you do these things.

Aug 17, 2014 | 2000 Mercury Cougar

1 Answer

I got my 1997 mecury cougar spark plugs changed and a week later my car lost power and stopped running.ive changed a fuel filter,batterie and coil paks on it.it doesnt want to start


you'll have to see if its missing fuel,air,or spark.Fuel could be bad fuel pump,air something clogging air filter duct,spark bad coil,or coils,crank sensor.

Dec 10, 2013 | 1999 Mercury Cougar

1 Answer

2000 mercury cougar will not start


If it is getting spark I will assume the timing belt is working.
You say the fuel pump is good, so what is the fuel pressure at the rail ?
Are the spark plugs wet or dry ? Can you get it to try to start by using starting fluid ?
You may have to get someone to check the computer for trouble codes which requires a scanner or code reader.

Apr 06, 2013 | 2000 Mercury Cougar

1 Answer

I have a 2000 mercury cougar that is not getting any spark. I changed the coil, crank and cam sensors. The hot wire to the coil is hot when the key is turned, but no spark is getting to the plugs.


You need to run the OBD2 Diagnostics. You will need to have someone hook up a scanner to the vehicle and retrieve the codes. This is the best place to start.

Feb 23, 2013 | 2000 Mercury Cougar

2 Answers

2000 Mercury Cougar stalls or will not start in


put a blow dryer on the distributaor cap and spark plug wires. somehow moisture is getting under your cap. it should start almost immediatly after you start drying it with your blow dryer

Nov 12, 2009 | 2000 Mercury Cougar

1 Answer

87 couger ls been sitting 9 yrs. started and ran fine for 1 wk. now wont start, no spark. replaced TFI, still no spark what now?


Is the battery corrodid? Check the grounds (negative) side at the battery.check the coil wire for open also.

Oct 04, 2009 | 1987 Mercury Cougar

1 Answer

I mixed up the fireing spark plug cables on my 6 cylinder 2002 mercury cougar. I need the right order please.


On the 2002 Mercury Cougar
For the 2.5L V6 DOHC:

Firing Order:
1-2-3-4-5-6

Cylinders:
.....(back)
1......2......3
4......5......6
.....(front)

Ignition Coil:
.(back)
4...6...5
3...2...1
.(front)

Jun 13, 2009 | 2002 Mercury Cougar

2 Answers

Gas not kicking in


Change the fuel filter and put some good gas in with injecter cleaner.Run it down the highway.

Jan 15, 2009 | 1999 Mercury Cougar

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