Question about 1988 Mercury Grand Marquis

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I am trying to find out which spark plug is the #1 plug in order to hook up a timing gun to a 1988 mercury grand marquis.

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Either no 1 or no 6 will do ,try front left first then front right bank and see if the mark is anywhere near ,set to 6? for unleaded fuel

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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2 Answers

Why does my 97 Mercury Grand Marquis run roughly after changing spark plug wires and core pack?


you must take it for a ride about 1 hour its scary but your computer has to adjust then it will pur good luck

Mar 31, 2015 | 1997 Mercury Grand Marquis

1 Answer

In what numerical order are the spark plugs on a 1989 mercury grand marquis 5.0


the sequence is on the passenger front plug is cylinder 1 then it goes 2,3,4 as you go to the rear of the motor.on the drivers side it goes from front to back 5,6,7,8

Sep 18, 2011 | 1989 Mercury Grand Marquis

1 Answer

The engine misfires when accelerating


Depending on your Grand Marquis's mileage...it sounds like plug wires and plugs...(worn out) and or engine timing/firing order? If plug wires recently changed...the spark plug wires are in the wrong firing order...confirm the firing order from your local parts store by phone...and retrace each one...always start with #1 cylinder...hope this helps.

Apr 25, 2011 | 2000 Mercury Grand Marquis

1 Answer

2002 mercury grand marquis spark plug wire diagram


For the 4.6L V8:
Firing Order:
1-3-7-2-6-5-4-8
Cylinders:
(back of engine)
4-----------8
3-----------7
2-----------6
1-----------5
(front of engine)

Let me know if this helped...

Mar 15, 2010 | 2002 Mercury Grand Marquis

1 Answer

Need fireing order and placement of distributor for 1989 grand marquis and where do the plugs go


1-5-4-2-6-3-7-8 Looking from the radiator Passenger side front to rear, 1-2-3-4 Drivers side front to rear 5-6-7-8 Number one on the cap should be at the 11 o'clock position. Do you know how to spark time an engine?

Sep 01, 2009 | 1989 Mercury Grand Marquis

1 Answer

What are the igniton timing,firing order, spark plug gap specifications for 1998 Merc Grand Marquis with 400 cdl engine?


1998 Mercury Grand Marquis
4.6 liter V-8 VIN "W"

98d6a49.gif

I will get you the rest of the info in just a few hours...I am at work!

Aug 09, 2009 | 1978 Mercury Grand Marquis

1 Answer

1988 grand marquis won't start 305 cid v-8 fi


Hello,

Put on a "spark box" into your ignition. I have a Mallory HI-Fire 6A (?) and the car starts and runs good. You will also get better gas mileage and pass smog test.

Uncle Melvie

Jan 20, 2009 | 1988 Mercury Grand Marquis

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