2002 Cadillac Seville Logo
Henry Coley Posted on Jul 05, 2014
Answered by a Fixya Expert

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Why my 2002 cadillac seville sls will not idle

When started ,engine will not idle .have to hold excelarater. so what should I do ?

1 Answer

John

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  • Cadillac Master 794 Answers
  • Posted on Jul 05, 2014
 John
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Joined: Oct 01, 2009
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Get one of the neighborhood kids to hold the accelerator pedal down for you...RALOL! Just kidding.

Since I don't know what your automotive skill level is or what diagnostic tools you have, I would first have to ask you- is the "check engine" light on?

Perhaps you can borrow an OBD reader from a neighbor, friend, or relative that has one? or perhaps renting one out from your local auto part store? Sometimes the counterman may have one readily available and will check for any fault codes for you.

It's possible that you may have a problem with the mass air flow sensor or a leak in the mass air flow duct leading to the throttle body or a faulty Crank or cam shaft positioning sensor or anything else in between. Unfortunately, without a code reader to guide you to the source- it would be guess work.

5 Related Answers

Anonymous

  • 359 Answers
  • Posted on Nov 30, 2009

SOURCE: 1999 cadillac seville sls it over heats when in drive

how many miles are on it? if you have over 70k the head bolts may have let loose and allowed the head gaskets to leak they all do it

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tuyen bui

  • 1025 Answers
  • Posted on Mar 14, 2010

SOURCE: cadillac seville sls '97 complete engine removal

the best way to do is dropping the engine and the transmission together with the sub frame
disconnect the rack and pinion, struts and brake lines
then you can separate the engine from the transmission once it's out.

Anonymous

  • 2309 Answers
  • Posted on Jul 27, 2010

SOURCE: car idles high too long on startup

i have seen this happen in other makes also, that fast idle is controlled by the ecm, if it annoys you talk to the dealer, otherwise its not hurting anythig

Anonymous

  • 10865 Answers
  • Posted on Dec 16, 2010

SOURCE: How do I replace the

Hello ray......

The fuel pump is located inside the fuel tank. You can access the fuel tank thru the trunk. Inside the trunk and underneath the carpet, there is a access panel. Remove the five screws and lift the access panel. There under the panel you will see the pump. Disconnect it and take it to the auto parts store as they usually want the old one for an exchange. Joe


Thanks for choosing Fixya!

ZJLimited

ZJ Limited

  • 17989 Answers
  • Posted on Dec 17, 2010

SOURCE: I can hear water sloshing

Its possible that you have any drain hose clogged (heater core or air conditioner drain); generallly this drain tube is underdash (passenger side) under carpet.

Check it and tell us news.

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2002 Cadillac Seville sls starts, idles fine. Going to accelerate have to push it to gain any speed. Have replaced plugs and wires, both oxygen sensors. Now is also overheating

Would be worth checking for a restricted exhaust gas flow. Cats sometimes get partially blocked.

If that is ok. I suggest you ask your question again.
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Why cadillac will not idle

So are you saying you are only able to crank it and when you let off the key it dies? Or are you saying it will crank, stay on, then die? Next, what model and engine is it?

I’m happy to assist further over the phone at https://www.6ya.com/expert/josh_8f8ad0a8f7e0e6d3

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How to install idle control valve on a 1996 cadillac seville SLS

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2002 cadillac seville sls won't start.

Please see my tip at http://www.fixya.com/cars/r5821173-doesnt_car_start_gasoline_engines . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

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What is the fuel rail pressure of a 2002 Cadillac SLS? Thank you.. Dee

Your title says Deville but your question is about the SLS (Seville). If you are asking about the Seville (4.6L V8) with the Key on and the engine off you should have 41-47psi.
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1999 cadillac seville sls it over heats when in drive

how many miles are on it? if you have over 70k the head bolts may have let loose and allowed the head gaskets to leak they all do it
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