Question about 2000 Cadillac DeVille

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All my check engine codes

I have a 2000 deville with 137,000 miles on it,the problem is the car was wrecked in the front ,and it set in a salvage yard for a year with the hood pushed back,and rain and snow got to the fuse box.i tried to start the car from the ignition and the starter stayed ingaged so i took out the starter fuse, soi thougth that it was the ignition switch i brought a nother switch, it wasn't that . but when i put the fuse back in it starts but ihave to pull the fuse and the car stays running.i take it to autozone and have them put it on the diagnostic ,it came up with 30 to40 codes the funny thing is all the codes are coming frothe fuse box under hood ever one of the codes the runs a little rough but it runs and some time it cutsoff in the middle of driving and i have to let it sit 15 -30 minutes the crank sensor its in that fuse box too.

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Posted on Jan 02, 2017

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SOURCE: deville running rough

Have you checked the ECM codes, take it to an AutoZone or similar place and have them check, they just need to plug in a device to your computer.

you should also check the MAP sensor, the ISC, and also the connectors for both. also check EGR and EVR valves. Let me know what you find.

Also since you seem to be having power problems, you should have the timing checked.

Posted on May 22, 2008

  • 1 Answer

SOURCE: car will not start.

i have the same problem i took panel off of passnger side and hear clicking noise too my dad seems to think the motor is locked

Posted on Nov 21, 2008

  • 1 Answer

SOURCE: 2003 cadillac cts

Hey Guys! Had the same annoying problem. Cadillac dealer could find nothing wrong with it. Gave me a new battery. Took it to PepBoys and it died for them and immediately they found that it was the Crank Positon Sensor!! Part was $70 + labor. GOOD as NEW!!!!

Posted on Feb 08, 2009

  • 1 Answer

SOURCE: 2003 cadillac cts

That's what was finally found by our Cadillac dealer as well. They charged us too much, though.

Posted on Feb 09, 2009

  • 7 Answers

SOURCE: Cadillac Deville 2000- Engine check light code P0741

If you like go ahead and let someone sell and replace your transmission but here is my suggestion! Check around and see if you can find a minor vacuum leak! This can simply be the big round hose that goes from the fuel injection to the power brake hub! This is normally a push in connector which has about a 1/2 inch hose clamped on it! If there is any kink or the connector is not in correctly a leak will occur and the transmission will shift rough as though you will be thrown out of the vehicle! Try unplugging this connector and plug it back in hard and straight and maybe you will be lucky and fix your problem. If the vacuum is correct your transmission will shift better than you have ever experienced!

Posted on Aug 16, 2009

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