Question about 2002 Cadillac Deville

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Could a coolant sensor make a 2002 cadillac deville misfire? what could it be

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6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76846 Answers

SOURCE: 2002 Cadillac Coolant sensor

The engine coolant temperature sensor is located on the driver side of the engine near the rear of the engine compartment

Posted on Oct 08, 2008

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emissionwiz
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SOURCE: 1994 cadillac deville concours

Look if the engine is doing what you say then it is overheating and there is no problem with the sensor, remember the sensor only tells what is going on, it does not cause anything like overheating. Have you bled the system of air, there is a factory procedure to do this.

Posted on Oct 14, 2008

ghost4548
  • 776 Answers

SOURCE: location of coolant temp sensor

Good luck

Posted on Jun 20, 2009

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2002 Cadillac deville DHS. Before take the smork


Whatever is causing the timing adjust itself at the wrong time. It could be anything from a vacuum leak, to a coolant sensor to electrical problem. By reading all the LIVE READINGS from the sensors & getting an emissions reading will help u narrow down the problem. It doesn't sound like a DIY fix. Equipment needed

Apr 20, 2017 | 2002 Cadillac Deville

1 Answer

My 2002 cadillac sedan deville low coolant level message comes on. I chercked it myself and it is O.K. Could this be a dirty sensor?


Bad coolant level sensor, should be in bottom of readiator or in coolant resevoir/overflow tank. Cheap at parts store!

Nov 27, 2011 | 2002 Cadillac Seville

1 Answer

2002 cadillac deville. We have replaced: Radiator, water pump, thermostat, cooling fan, coolling relay and still it overheats. I'm getting a cyclinder misfire on the code readout and no clue where to...


The cyl misfire is a clue. most likely you have head gasket leakage. Have a auto shop do a BLOCK-TEST it will test the cooling system for combustion gases.

Aug 02, 2011 | 2002 Cadillac Deville

1 Answer

My Cadillac Deville, 2002 northstar is running hot........or the temp gage goes up and I have to stop driving..I have a new thermostat,relay switches for the fans,temp control sensor and a new coolant...


Check the fan to see if it is going on. On my 1997 Cadillac Deville Limousine I had to have the 2 fans, and 3 relays replaced, as well as the wiring contacts for the relays at an auto electric shop for about $700 last fall, but it has been running cool since then.

Dec 31, 2010 | 2002 Cadillac Deville

2 Answers

I have a 2002 cadillac dhs and the check coolant level comes on. why is this happening. I had the system flushed and it still comes on. Also, my check system stablilizer comes on also. Please, I do...


Re: I have a 2002 cadillac dhs and the check coolant level comes on. The coolant sensor is located in the overflow bottle and it is prone to failure. Unfortunately the only way to get it is to repl. coolant overflow bottle.

Nov 28, 2010 | 2002 Cadillac Deville

1 Answer

Where is the ect(coolant) sensor located on a 02 cadillac deville???


The engine coolant temp sensor is located just below the throttle body.Just remove the air cleaner tube and you should be able to see it.There will be a black and a yellow wire on the connector.Hope this helps.Good luck.

Nov 06, 2010 | 2002 Cadillac Deville

1 Answer

Have an 02 Cadillac Deville with 32k miles on it. Had a Cadillac dealer flush coolant and replace, and now every time I start the car the DIC reads "Check Coolant Level". Coolant level is fine. Now the...


Why replace the radiator it's just a bad sensor. Get the Haynes repair manual on your vehicle look up the water level sensor testing and replacement steps. The sensor probably cost around $30 and I doubt if it takes more than 30 minutes to replace.

Aug 08, 2010 | 2002 Cadillac Deville

2 Answers

Location of coolant temp sensor


where can locate the engine coolant temperture sensor.

Jun 20, 2009 | 1998 Cadillac DeVille

1 Answer

2002 Cadillac Coolant sensor


The engine coolant temperature sensor is located on the driver side of the engine near the rear of the engine compartment

Oct 08, 2008 | 1999 Cadillac DeVille

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