Question about 1994 Cadillac DeVille

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What's the spark plug setting for a cadillac deville 1994

Putting a tune up on a cadillac deville 1994. need the setting for plugs.

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Use only platium plugs they are pre set and will perform better. but if you just have to use standard plugs it is 50 thousands.

Posted on Dec 25, 2008


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Why cadillac deville won't start when hot?

Sounds like the module inside the distributor is starting to fail. If the engine turns over at normal speed but won't start then grab a spark checker and put it at the end of a spark plug wire and crank the engine. If if sparks then you have a fuel problem. If no spark then look to the distributor module or possibly the wiring harness inside the distributor. I have seen where the power wire, pink I believe, goes open at the black plastic box connector inside the distributor and can be tested with an ohmmeter. If that is the problem then replace the 2 wiring harnesses that make up the distributor wiring harness because the plastic connector will break apart when trying to remove the terminal and that makes it difficult to put back together. Hope that helps

Sep 08, 2014 | 1994 Cadillac DeVille

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How to do a tune up

Not much to a tune up on these vehicles; spark plugs, spark plug wires, air and fuel filters, and some 'good' fuel treatment.

Apr 04, 2014 | 1999 Cadillac DeVille

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How do you do a tune up on a 2004 cadillac deville

new ignition coil spark plugs spark plug wires clean fuel injectors new distributor cap new wires on the rotor and new air filter oil change

Feb 26, 2012 | Cadillac DeVille Cars & Trucks

1 Answer

Need to know what the spark plug gap is for a 1991 cadillac deville 4.9 engine

It should be any were from 52 thirty seconds to 56 not a hundred percent sure but it should say it under neath the hood on a sticker or on the crossmember for the radiator support

Jul 21, 2011 | 1994 Cadillac DeVille

1 Answer

To get a tune up on m 95 cadillac deville what parts do I need.

I would start by getting spark plugs and spark plug wires. And find out (through part store)what the gap is for your plugs.Then i would replace the cap and rotor and check your air filter. If you have over 60,000 miles i would also change the trans.filter and fluid

Spark plugs
Spark plug wires
Distributer cap
Rotor (if applicable)
Air Filter ?

Jun 10, 2011 | 1995 Cadillac DeVille

1 Answer

I have a 97 deville with 118,000 miles....what type of tune up or service should I have done.

fuel filter (supposed to be done every 30,000 miles), transmission fluid, coolant, p/s fluid, brake fluid, spark plugs, spark plug wires, check timing belt.. those are things recommended by gm after 100,000 miles

Mar 25, 2010 | 1997 Cadillac DeVille

1 Answer

Cadillac spark plug settings 1994 4.9 deville


Feb 20, 2010 | 1994 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

1 Answer

Replace spark plugs

front plugs it pretty easy back one is a mother you have to take out the oxy sensor from the bottom its a 10 inch bolt  then the coil pack and its under the booth it well take a good 3 hrs need to gap at 50,0000 make sure to ghange booth 


Nov 30, 2008 | 2000 Cadillac DeVille

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