2000 cad deville.... driving along sometime and car cuts off, sometime it starts back up and sometime not.Lett it set for about 1 min and start up but then service engine light comes on...what could it be
I had my car put on the machine for a cat scan and it turned out to be one of my crankshaft sensor was going bad.... could not tell rather it was the upper or lower failing so I had both change to be on the safe side.I just got the car back and it seems to be running fine.Thanx for your help
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P0041 is O2 sensor reversal. Check the back 2 O2 sensors on the exhaust pipes. Is it possible someone put the connectors on the wrong sensors? Try swapping them to see if it clears the code. It may take a day or 2 for it to clear. If it doesn't clear, please rescan and get back to us with any new codes.
I will suggest some cheap areas to try first.
1.Wiring connections to your computer under the dash.
2.Check wiring to fuel pump.
3.Check black boxes under hood. They have relays and terminals may corrode.
4.Ignition switch, sometimes with heavy keychains the contacts can loosen.
Take it to Autozone or Oreillys for a free scan. When you say car cuts out, does anything work like lights, horn, radio? Please post symptoms and if anything has helped you.