Question about 1996 Cadillac DeVille

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I have a 1996 Cadillac Deville current error code - PC0174

I have a 1996 Cadillac Deville and have a current error code - PC0174. I have looked it up and it is a fault in the left side engine fuel system. Have also seen that this may be a vacuum leak. Does anyone know how to fix this and what parts I might need, also how much $?

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Posted on Jan 02, 2017

tatunka
  • 85 Answers

SOURCE: 1996 cadillac sedan deville

have your plugs been changed,sounds like a wire may be crossed

Posted on Nov 12, 2008

  • 979 Answers

SOURCE: 1996 CADILLAC DEVILLE, NO POWER TO FUEL PUMP

Check for a burned fusible link under the hood. If you have power at the fuel pump relay, you could have a bad ignition switch or bad oil pressure switch...accordianman

Posted on Dec 15, 2008

SUPERMAN_B_1
  • 294 Answers

SOURCE: fuel filter replacement 1993 Cadillac Deville

hello. it should be located under your car on a line that's coming off your fuel tank and yes you can do this your self very easy to do ,you'll need a few box/open ended wrenches that's it you'll need to check the fitting or the nut on each side of the filter to see what the sizes are,befor removing the filter you'll want to take off your gas cap and remove your neg battery cable ,not when you find the filter it'll have nut on each side all you have to do it loosen them but make sure that you don't break the fuel line or kink it and after you have both sides loose then just finish turning them off and there you go the filter is off, nope no removing the gas tank some newer models you do and the filter is attached to your fuel pump and don't need replaced but for your car and year you wont need to remove the tank. good luck

Posted on Mar 25, 2009

pippall
  • 1486 Answers

SOURCE: hey i have a few problems with the cadillac deville 03

change the air fow senser.

Posted on Jul 06, 2009

alicantecoli
  • 22156 Answers

SOURCE: 1996 Cadillac Deville overheating- head tested, no

remove pump and check that the imèller which is plastic hasnt seperated from drive shaft

Posted on Jul 16, 2009

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1 Answer

, deville getting codes pc0171 &pc0174,what does this mean?


Could be many problems,dirty fuel filter,dirty MAF sensor,vacuum leak,exhaust leak,oxygen sensors.PVC valve open.Put good fuel cleaner to tank change air filter and fuel,Clean MAF sensor.Replace PVC valve.Any codes?

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1 Answer

1996, cadillac, deville getting codes pc0171 &pc0174,what does this mean?


Fuel trim lean, banks 1 & 2. That's a pretty strong indication that you should check the fuel pump pressure at the fuel rail, and check the fuel flow rate while you're there. There's a good chance that your fuel pump is just about ready to be replaced.

If you see good pressure & flow rate, run a couple of jugs (not at the same time) of carburetor & fuel injector cleaner through the gas tank. It's possible that all your injectors have just gotten so dirty that they can't give you a full-rich mixture.

You'd best do it fairly soon - the engine is running lean, and it can't tolerate that for any great long time without some damage.

Aug 03, 2014 | 1996 Cadillac DeVille

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the first code is a generic code the latter code is a GM code and if this is correct the engine shut down because it was overheating for whatever reason or the sensor is faulty

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1 Answer

Cant get any power to my 96 cadillac deville


Have someone jump your current battery? New Battery? Bad Spark Plugs? Check Fuses?

Check all of this!

Nov 16, 2008 | 1996 Cadillac DeVille

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