Question about 2003 Cadillac Deville

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2003 cadillac deville turns off v8 4.6

While driving it turns off and sometimes will not stay on

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Its your crankshaft position sensors.I had the same problem.

Posted on Jan 26, 2009


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Posted on Jan 02, 2017


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My 2003 Cadillac DeVille it will crank but wont stay running what could be the problem and it shakes a little bit

It may be the throttle position sensor (TPS). It is located where the intake air (from air filter) attaches to the intake manifold. The TPS connector should have 3 wires. The TPS controls the air/fuel mixture.

Oct 11, 2016 | 2003 Cadillac Deville

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I have a 2003 cadillac dhs or deville when I'm

Check the charging system battery is 12.5 at no load at running it should be at 13volts to 14volts. you charging output can be low

Jun 09, 2011 | 2003 Cadillac Deville

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My 2003 cadillac deville-the service engine soon light came on and stayed

On a lot of cars the light is reset when you get an oil change, air filter etc. It's overdue for a "look see". You can always go to advance auto and borrow the code reader for free. Plug it in under your dash and will read and reset any codes

Jun 14, 2010 | 2003 Cadillac Deville

1 Answer

Headlamp Bulb not working on 2003 Cadillac Deville

if its just the one you probably need to replace it by getting to the back of the light to get to the globe,there will be a cover you can remove to do it,if you sometimes slap the light on the lens the globe may come back on indicating a loose filament ....will still need changing though

Oct 27, 2009 | 2003 Cadillac Deville

1 Answer

My lights stay on all the time abs, brake and track control

It sounds like you have a faulty ABCM or anti-lock braking control mechanism. 2003 was a common year for failure of this. Usually your car will drive just fine, however, your ABS and traction control might not work as well as there supposed too in a collision.

May 28, 2009 | 2003 Cadillac Deville

1 Answer

I have a 2003 cadillac deville v8 4.6 when i turn it on it dies. also while driving it turns off.

Maybe the Computer, SENSOR, Or the Spark Plugs, pull out the spark plugs and check and make sure they are good.

Jan 19, 2009 | 2003 Cadillac Deville

2 Answers

2003 Cadillac Deville stalls while driving

Check your pending trouble codes, could be your crankshaft sensor b...

Nov 28, 2008 | 2003 Cadillac Deville

1 Answer

2003 deville no speedometer sticks in gear?

Easy to buy, difficult to replace as it is in a very awkward place on the top of the end of the transmission near the right drive axle location. Requires a hoist and the need to disconnect a few things to get at it.

Sep 19, 2017 | 2003 Cadillac Deville

2 Answers

I have a 96 cadillac deville and the traction control light stays on.

The starting problem may be the fuel pressure regulator. Remove the small tube from the back of the fuel pressure regulator with the motor running, and if fuel comes out it's bad. The part is under fifty bucks at autozone. I did mine, and now it starts normally.

As far as the traction control light, it could be anything from a wheel sensor to the EBTCM, or a bad wiring connection anywhere inbetween.

Nov 03, 2008 | 1998 Cadillac DeVille

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