Question about 1994 Cadillac DeVille

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94 cadillac running bad

HELLO I WAS WONDERING IF THE DISTRIBUTOR CAP CAN CAUSE A CAR TO RUN LIKE ITS NOT GETTING GAS AND SHUT OFF?ALSO THE SPARK PLUG WIRES GET EXTREMELY HOT,CAN YOU HELP ME?

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If your cap has a hairline crack in it yes it can make the car run very badly

Posted on Aug 19, 2008

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1992 Cadillac Seville 4.9L hard starts and runs very ruff,then will not stay running.Awful smell of gas as well.


you may have bad or very dirty fuel injectors causing too much fuel into the cylinders causing rough running and smell of gas. do you have a fuel leak or too high fuel pressure.

Aug 30, 2014 | Cars & Trucks

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My 2001 Cadillc Deville Shuts off while driving but starts up again with no problm. then after few miles it shuts off again then i just turn it back on


It could be alot of things. A bad module in the distributor, a coil going, a MAP sensor or IAC sensor. Could be a bad distributor cap. Can tell without actually being there. Do you get a service engine soon light when it is running?

Jan 19, 2013 | 2002 Cadillac Deville

1 Answer

My 1996 oldsmobile 88 has been running terrible for the last month and gets worse every week. It won't go when I have the gas pedal floored sometimes, and then it will slowly get up to speed but takes...


Hello there good man or woman

Lets start off like this there is 50 different things that can cause these issues but will start with the simple things in a list. So here it goes

1. bad spark plugs (carbon fouled,fuel fouled,oil fouled, heat glazed, or just worn out rounded electrode's )
2. spark plug wires (there is no simple way to check this but there cheap and easy to try)
3. distributor cap & igniton rotor (or coil pack if so equipped) could be corroded carbon glazed heat glazed again thought both rotor button and distributor cap are cheap and easy to change. If it is a coil cheap to and just as easy on both this is were plug wires connet to on the oppsite end of spark plugs.
4. coil pick up (this sits underneath distributor cap and rotor and is cheap and easy to fix aswell)
5. clogged air filter
6. bad pcv valve
7. bad egr valve
8. bad fuel pressure regulator
9.bad fuel pump or clogged strainer
10. vaccum line leaking or off

I know with all that being said may sound overwelming but most are easy to fix and cheap this is what i would so first do a good tune up this includes new spark plugs , plug wires, air filter , pcv valve,fuel filter distributor cap and rotor (or coil pack if so equipped ) .

That will most likley fix your problem

If it helps please leave 4 thumbs up and if it works a testomnial thanks

May 20, 2011 | 1996 Oldsmobile 88

1 Answer

Car started and ran fine, quit while driving and now there is no spark and turns over.


Hello first of all

In reading your issue at hand not having no spark there is only a few things that can cause this being that its a 1988 car i will list below what you need to go over and check.

1.spark plug wires
2. distributor cap
3. ignition rotor
4. coil pick up
5. faulty distributor

That being said most are a easy and cheap fix plug wires run about 20-35 bucks autozones duralast brand , distributor cap runs between 7-18 bucks , ignition rotor 3-8 bucks , coil pick up about 15-30 bucks all at autozone.

Now there is no real way to tell if there bad but a good examination of the distributor cap and rotor should tell you corroded inside cracked worn down.

i would start with distributor cap , ignition rotor, coil pick up if the car starts after this replace spark plugs wires. If that does not fix it most likely you distributor is faulty itself.

i hope it helps if so could you leave me so 4 thumbs up feedback thanks so much

May 16, 2011 | 1988 Ford Festiva

2 Answers

Car turns over but wont start what is wrong?


The car is either not getting gas or not getting spark. It could be a weak battery, bad spark plugs or wires, bad coil pack/distributor, clogged fuel filter or spark plugs, or a defective fuel pump. These are the most common causes of this problem and and except the fuel pump and sometime fuel filter are relatively easy to replace yourself. Good luck and happy hunting!

Mar 04, 2011 | 1997 GMC Yukon

2 Answers

The motor is turning over but not firing up. I removed a spark plug wire to see if it was getting spark, nothing. I then replaced the wire n removed the wire running to the coil, then i got sparks. I...


sounds like your rotor is bad, it does happen, and that would explain no spark to ignition wires to the plugs-look inside the distributor cap too, and replace it if you see moisture, hairline cracks, or the terminals are badly oxidized.

Jan 04, 2011 | Chevrolet Astro Cars & Trucks

1 Answer

I have a 1990 cadillac eldorado when i am at a light it idles rough what is it


Hello, This problem needs step by step diagnosis: The rough idle can be caused by several things: Spark plugs, Spark plug wires. Distributor rotor and cap. Bad fuel injectors (check Resistance of injectors (12 - 16 ohms, all injectors should be about the same). Vacuum leak, check this first. If nothing shows up, then do a compression check, all readings on the compression check should be about the same. Hope this helps you out

Sep 06, 2010 | Cadillac Eldorado Cars & Trucks

1 Answer

The 94 jimmy is running rougf I did a full tune up I took one of the new spark plugs out a there was a lot of sout on it it was preety black it may be a dead cyender there is very littel spark


YOU did the tune up? Check that the wires are in the right position, that the connection to the plug and distributor cap are good. Did you replace rotor and distributor cap? Wires could be needed. That wire might be bad

Feb 03, 2010 | 1994 GMC Jimmy

2 Answers

Car runs very rough 1965 ford 250 3bbl engine. I am not sure what the problem is but the car runs very rough and is using a lot of gas. Is it a carb adjustment or soemthing else? How do I tell if it is out...


well to see if changing the timing helps / loosen the distributor bolt so you can turn the dist , keep track of where it is before you turn it incase it is right . with it running by turning the distributor it will either get better or worse / make sure you have good spark plugs and wires ,make sure there on the right plugs and cap . find the firing order / do a test on them all with them out of the engine but grounded and observe for a bluish strong spark on the plug if it's weak and red color spark you might need to check your ignition points or coil /cap / rotor,even do a compression test, if you have the timing right then obviously a bad carb is next to check

Nov 29, 2009 | 1965 Ford Mustang

2 Answers

1999 Ford Taurus mechanical problem


Hello,
your problem appears to be the idle control motor located on the air intake manifold it is a small motor that goes bad quite often. Other items that can cause this is a bad /clogged air filter or a tune up (spark plugs and wires), or clogged fuel injectors. to clean the injectors you can buy a container of fuel system cleaner and pour it into the gas tank and as you drive it cleans the system.

Once the fuel system is cleaned via a tankful of cleaner & gas then the idle controller motor would be next on the list to be replaced.

Good Luck !
Rich Lilja

Dec 03, 2008 | 1999 Ford Taurus

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