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post #1 of 2 (permalink) Old 02-02-07, 08:19 PM Thread Starter
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Question Problem accessing spark plugs in 96 Mercury Grand Marquis

I have problem access the 6th and 7th spark plugs in 96 Mercury Grand Marquis. The V8 engine has spark plugs positioned:
4 8
3 center 7
2 6
1 5
The 6th and 7th are under the Air filter hose. And there is a cover in the center, make it inaccessible from above. I tried to take out the cover, but failed to detach it from the hose.
(the cover is very simillar to the one in the center of picture:
http://us.autos1.yimg.com/img.autos....r_9_110x83.jpg)


While my Haynes manual shows Crown Victoria model is much easier to access the spark plug because there is no cover above. I am wondering if anybody has the experience replacing the spark plugs in Grand Marquis.

Any suggestions are appreciated. Thanks.

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post #2 of 2 (permalink) Old 02-08-07, 10:43 AM Thread Starter
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Re: Problem accessing spark plugs in 96 Mercury Grand Marquis

Just a followup
finally I take out the air filter hose to acess the right side spark plugs. I don't know why they designed in this way.

acc is smoother after replacing the original motercraft with bosch platinum+2
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