Question about 2005 Cadillac Escalade

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Service engine soon sulphur smell

Car was running fine today then the service engine soon light came on and the car started running rough with a smell of sulphur noticed.

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 95 Answers

SOURCE: 95 cadillac eldorado engine stalls rough idle check engine light is on

My son has this same car with the same problem. So far after tune up and other process of illimination, the problem points to the catalytic converter. If it is clogged you will get this problem with the rough idle and stalling. Look under the car at night after running it and see if the catalytic glows red. If so you need a new one. Hope this helps.

Posted on Mar 20, 2009

  • 1 Answer

SOURCE: service engine soon light came on and stays on

The warranty company was able to find a used transmission for $900 which was still under warranty and it will cost 11.5 hours for the install, plus shop supplies and diagnostic. Total cost about $2000. I drove the car for probably at least 10,000 miles and it was leaking a small amount of transmission fluid even after I fixed a seal (waste of money) before getting it fixed. I didn't see the fluid though on my garage floor though as there is something that would catch it.

Cadillac dealer stated this is a known problem with the clutch assembly and that there is a bulletin out on it. The reason the car stalls is due to the transmission not the engine. When the car is at a light or the like there is apparently too much strain from the tranny and it stalls the engine. My car didn't get that far, but after reading a bunch of stuff and looking up the codes it appears to be the case. Of course you could get lucky and the solenoid is just bad, probably not though due to the bulletin.

You can read the codes and clear the codes easy enough. If you don't know how there are many posts on the net.

Posted on Apr 05, 2009

johnjohn2
  • 5763 Answers

SOURCE: The car runs rough and seems to want to ''creep'' at stops

it could also be the torque converter lockout soliniod. i would try to unplug it and see if car still acts up, if it doesnt then a soliniod should do the trick,but could be converter also;good luck.i would ask them about this soliniod first.

Posted on Oct 23, 2009

  • 25 Answers

SOURCE: The car ( 2003 Escalade)runs fine but check engine light came on.

Hooking a code reader onto the OBD II port will give you a code so that you can figure out what is wrong with it. It is most likely an emission code which won't hurt the performance but possibly the gas mileage

Posted on Dec 15, 2009

  • 416 Answers

SOURCE: 2000 cadillac deville the service engine soon

need to have system checked to get trouble code

Posted on Jan 21, 2010

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Check engine light flashing check engine soon smell of gas and not running smouth


Check engine light flashing means there is a bad misfire , it flashes to tell you your damaging your catalytic converter . You need to have it check , you don't won't to have to replace the catalytic converter . Can cost up to $1,000.00 . Flashing Check Engine Light CarMD

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Could be, but you will need to check for trouble codes, since the engine light came on. The code or codes may help you troubleshoot it.

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Van starts hard, then runs fine, fan is loud, service engine liht on


This is all tied to the service engine soon light.

When the Check Engine light (or Service Engine Soon or small picture of an engine) is turned on, the systems computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible system faults (the gas cap is just one of them) that turn the Check Engine light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen/Oriley and Autozone parts stores (USA only) do this testing for free.

Jan 29, 2012 | 1999 Dodge Caravan

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Engine light flashing, strong sulphur smell, can feel engine missing as it runs. Assume bad plugs or wires?


If your engine light is flashing and sulphur smell engine power loss your probably looking at a catalytic converter.However you will need to have a engine scan completed to see what else is wrong as well.

Jan 03, 2011 | 2001 Oldsmobile Intrigue

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Engine jerks, then smooths out, runs rough, misses, smells like sulfur, loss of power


sounds like a restricted catalytic converter. you must, however find out why it got restricted, or it will happen again, from the sulphur smell, i suspect engine is running rich. you need a pro to help you with this problem.

Dec 22, 2010 | Ford Expedition Cars & Trucks

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Car runs rough when it does run. then in about 5 miles it just dies no power at all? the battery is new so is alt. new plugs and wires ? it just dies and needs a jump. soon as its off it wont start again...


Have your mass air flow sensor cleaned/serviced., then your catylictic coverter.you can chk but takes two people. one at the tailpe and the other at the key. The moment the engine is turned of, the exhaust shout stop.Using a tissue see if the exhaust continues bet in a drifting manner. Note any odor of rotten egg or sulphur smells. Listen for ant wheezing coming from the tail pipe while the engine is running. This is rhe more probable cause. Good luck -Ned

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Running rough/service engine soon light


SOUNDS TO ME LIKE THE PCV VALVE MAY BE STUCK OPEN OR THE VACUUM LINE ON THE THROTTLE MAY BE SUCKING OIL INTO IT. PULL OFF THE AIR INDUCTION HOSE AND LOOK INSIDE THE THROTTLE BODY TO SEE IF THERE IS THE PRESENCE OF OIL.OPEN THE PLATE AND SPRAY GOOD CARB AND CHOKE SPRAY INSIDE WITH AN OLD TOOTHBRUSH TO CLEAN IT OUT. SOAK IT UP WITH A CLOTH RAG. WAIT A FEW MINUTES TO START CAUSE IT WILL HAVE TOO MUCH FUEL IN IT TO START. HOPE THIS HELPS. LET ME KNOW PLEASE. BEST OF LUCK.

May 01, 2009 | 2004 Ford Mustang

3 Answers

Maybe catylitic converter?


Hi.
A sulphurous smell can be caused by an over-rich mixture or poor combustion sending unburned fuel to the catalytic converter.

I would suggest getting a fault-code readout which might start to point you towards the cause of the problem. Sorry I cannot be more specific, but all you really need to know is that you are requiring the services of a VW engineer !
Good Luck, D.

Jun 27, 2008 | 1998 Volkswagen Jetta

1 Answer

Burning smell


The sulphur smell is the result of the emmisions control system. I have an 06 Expedition with the exact same engine and emmisions system as yours. When the engine is cold, you don't smell that sulphur smell, but as soon as the engine gets to operating temperature, the exhaust gasses smell sulphury. Nothing wrong with your ride - they all do that. The dealership sometimes spray the underbody with some type of rubber to protect the vehicle against rust. This rubber stuff sometimes get sprayd on the exhaust as well and then you will smell "burning tires" after driving the vehicle. This will go away after a few thousend miles though.

May 15, 2008 | 2008 Ford Expedition El

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