Question about 2000 Cadillac DeVille

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Were is the spark plugs located for a 2000 cadillac deville I m tring to change the spark plugs and I wont find it

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The center of the valve covers, under the plastic looking coil pack.

Posted on Mar 03, 2011


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I have a cylinder 6 misfire on my 00 cadillac deville. do u think the plugs need to ne replaced?

Usually, if you only have 1 cylinder misfiring, you have either a bad spark plug or bad spark plug wire. If you replace the cylinder 6 spark plug and still have a misfire condition, replace your spark plug wires. If replacing the plug and wires doesn't fix the problem, replace the ignition coil.

Aug 03, 2011 | 2000 Cadillac DeVille

1 Answer

I have a 2000 cadillac deville dhs i changed the spark plugs and the code still comes on cylinder 8 misfire..its still shaking... could it be the coil..??

coil pack is bad about 200 to 300 easy to fix just by the one for the front of the engine(closest to the front of the vehicle)

Jul 16, 2011 | 2000 Cadillac DeVille

1 Answer

I have a 2000 Cadillac Deville DTS and the check engine light started to flash, i went to scan it and it said that cylinder 8 was misfireing. checked the coil pack and its fine, check the spark plug and...


Mar 19, 2011 | 2000 Cadillac DeVille

1 Answer

Location of 2003 cadillac deville spark plug housing

Hello: The housing is the valve cover. The plugs can be removed by removing the ignition units from the top of the valve covers then remove the spark plugs.

Jan 06, 2011 | 2003 Cadillac Deville

2 Answers

Where are the spark plugs located? and how do I get to them?

There are no spark plug wires on the 2000-up Northstar engines. They use coil on plug design. First remove the engine service cover.(The Pretty plastic peice that has the Cadillac symbol on it) Then disconnect the coil connector which sits to the right of the coil and should just snap off by hand. Next If you remove the screws that holds the coil pack (8 screws) to the top of the cam covers, you will see 4 black round rubber boots that sit on top of the plugs. Pull the boots free to expose the plugs. The tops of the spark plugs sit directly underneath

Oct 20, 2009 | 2003 Cadillac Deville

2 Answers

Code po304 #4 cylinder mis fire

ck if you have spark at the coil for that cylinder. check the plug wire closely. if it has spark at the coil, then replace all the spark plug wires.

Oct 12, 2009 | 2000 Cadillac DeVille

1 Answer

I can't find my spark plugs on my 2001 deville...where are they located

The sparks plugs are located on the side of the engine,there will be spark plug wires covering them the number of spark plugs in your car depend on the size of the engine, like if you have a v8 there will be 8 of them if you have a v6 there will be six of them and so on. There are no spark plug wires on the 2000-up Northstar engines. They use coil on plug design. If you remove the screws that holds the coil pack to the top of the cam covers, you will see the tops of the spark plugs directly underneath. They are in the center of the cam covers.

Jul 23, 2009 | 2001 Cadillac DeVille

1 Answer

Car wont start

pull a plug out and test it to see if your getting spark at plug

Feb 15, 2009 | 1992 Cadillac DeVille

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