Question about 1991 Buick Park Avenue

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Plugs and wires

I changed my plugs and i forgot which wire go to which plug.

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  • s60six May 11, 2010

    need you to tell us engine size



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If it is a 3.8 L V6 then the firing order is as follows, see pasted image.

plugs and wires - 4a0d135.gif

Posted on Dec 15, 2008


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1 Answer

Replacing plugs what should I look for when tuning up this engine and what are traditional pitfalls and oversites?

the physical world is complex.... (experience) and the engine type tops list here. not stated.
1: old plug is wrong type.
2: was cross threaded.
3: you forgot to gap the new tread
4: forgot to hand start all plugs not causing #2
5: spark wires are bad. (looking dont count, replace them at 60k)
that means if they look good, many are bad."insulation issues"
6: IF engine has COP coils buy new boots. they are cheap.
7: if engine has distributor, not changing HV wires one by one , invites getting the firing order wrong. the 2.0L and 2.5L both have Distributor.
one engine had a ICM module huge coil pack over top of engine,
with COPS under this huge cover.
there are 5 or 6 engines. the 3.1L has this ICM setup.
so tell what engine, and more pitfalls.
the non COP engines (coil over plug) , do replace the HV wires.

Jun 30, 2014 | 1993 Oldsmobile Achieva

1 Answer

I changed spark plug wires an spark plugs an car wont start

Make sure you gapped the plugs and make sure you have the firing order correct. If all the wires were removed at the same time, having them out of order is highly possible. Last, make sure the coil wire as well as electrical connections are in place around the coil. it's something you forgot or missed. check

Feb 28, 2012 | 1999 Ford Taurus

1 Answer

Had an oil and oil filter change..oil leaked all over the wires under the turns over but will not start

Do you mean the oil cap? it sounds that is where oil leaked out, clean the spark plug wires on both ends specially at distributor or coils, good luck

Feb 19, 2012 | 1993 Buick Regal

1 Answer

I just changed my wires and spark plug, air filter, started it up on plug was lose and came out, i put it back. After the tune up now car is misfiring, like there is a dead cylinder, im thinking it could...

First thing is to verify everything you did!!!!! verify wires are on correct plug and coil tower using a diagram for your engine. Next look for a vacuum hose you knocked off or forgot to put back on. My money is on a crossed up wire! good luck!!

Jul 05, 2011 | 1996 Ford Thunderbird LX

1 Answer

I was changing plugs&wires,and i forgot to mark the wires/so i need the firing order of the plug wires.or i need a picture of the motor that shows the number of the plugs

(2) (4) (6)
(1) (3) (5)

Coil Packs


Hope this helps

Nov 23, 2010 | 1995 Oldsmobile Cutlass Supreme

1 Answer

Removed sparl plug but forgot ot lable the wire

buy a chiltons manual from oreillys auto parts store it has the correct order in the book

Nov 04, 2009 | 1998 Cadillac DeVille

1 Answer

Forgot where spark plug wires go.

give me your engine size and i will tell you.

May 06, 2009 | 1986 Nissan Pickup 4WD 1986

2 Answers

Spark plug wiring diagram

I dont understand why you would need that unless you took off all the wires and took out all the plugs and forgot how the wires were.I have the same truck and I always do the plugs and wires one at time to make sure I make a mistake.If this is your ploblem let me know because i might be able to walk you though it.

Jan 22, 2009 | 1998 GMC Sierra

2 Answers

Order of spark plug wires

Nissan Altima question: What is the firing order for a 1995 Nissan Altima? more than sure it's 1-3-4-2

i found this for the 4-cyl.

Dec 22, 2008 | 1995 Nissan Altima

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