Question about 2004 Cadillac CTS Sedan

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04 cadillac cts 3.6 with p2271, p2273, p2237, p2240 car has a noise coming from fuel pump area and car dies randomly and struggles to start

Recently had a tune up done spark plugs, fuel filter, cabin filter and air filter. Car has been struggling to start some days, but eventually starts up. While driving on occassion hear a noise coming from the back passenger side where the fuel pump is located but even with a full tank still dies randomly while driving. Any ideas on what it could possible be?

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  • 742 Answers

You have a bad fuel pump

Posted on Dec 16, 2014

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 2003 cadillac cts

cam shaft sensor is bad. Cost me about $300 to fix.

Posted on Sep 30, 2009

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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

  • 22137 Answers

SOURCE: 2003 cadillac cts v6 3.2 liter. white smoke

u have a leak in the heater core the oily smell and mist is anti freeze sounds like a small leak because usually u would have a wet floor if it was large -two choices check and repair as necessary the core or can use an additive with a stop leak they usually work well on small leaks

Posted on Dec 14, 2009

  • 13 Answers

SOURCE: Electrical problem with 2000 Cadillac DeVille.

IT SEEMS SMETHINGS IS DRAINING THE BATTERY,MAKE SURE YOU DO NO LEAE THE KEY IN IGNITION BECAUSE IT HAS PAT KEY IT WILL DRAIN,BEST WAY TO FIND THE DRAIN,DISCOUNNECT ONE OF THE BATERY CABLE,PLACE AN AMMETER IN SERIES,WATCH THE READING,PULL EACH FUESE OUT FROM FUSE BOX (ONE IS LOCATED UNDER HOOD DRIVER SIDE,ONE UNDER REAR SEAT) WICHEVER FUSE THAT REMOVED AND CAUSE AMMETER DROP TO ZERO THE CIRCUIT THAT IS FED FRM FUSE IS THE PROBLEM ( MAY BE A GLOVE OR TRUNK LIGHT THAT STAYS ON OR OHER STUFF LIKE THAT)

Posted on Dec 27, 2009

  • 113 Answers

SOURCE: I have an cadillac Cts 2003 with starting problems

the plugs are the problem, they become unable to ignite all the fuel when in idle, so that they get wet and won't give any spark until dry. try to replace them. if there's no difference the problem is at the admission system(fuel pump maybe)

Posted on Mar 13, 2010

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My 2008 Silverado is throwing codes p2271,p2272 and p2273. What is the possible cause?


P2271 CHEVROLET - HO2S Signal Stuck Rich Bank 1 Sensor 2
https://www.autocodes.com/p2271_chevrolet.html

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P2273 - O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 2
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Replace the fuel filter. Hope the fuel pump isn't on the way out, cause it is expensive.

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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!!!!

Jul 24, 2008 | 2005 Cadillac CTS

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