Car still runs after turning ignition off

Tiny
MKANGER
  • MEMBER
  • 1995 MERCURY COUGAR
  • 90,000 MILES
When I turn the ignition to shut the car off, I can pull the key out of the ignition and the car is still running. I had to disconnect the battery to shut the car off. What is wrong and how do I fix it. This is my first car. My mom knows nothing about cars and there is no adult male in the picture to help.
Monday, November 21st, 2011 AT 7:00 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
It sounds like the ignition switch has failed.

I would shop around for an estimate for this repair as unless you are experienced at this type of repair, I would let a shop do this for you.

Roy
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Monday, November 21st, 2011 AT 7:04 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sometimes when the engine is dieseling/Run-on it will make it run continously, due to the throttle valve is not fully closing
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Monday, November 21st, 2011 AT 7:10 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Mkanger, were you able to fix this? You should buy a repair manual for your car. It'll help you repair almost anything yourself and save thousands of dollars. You can buy one here:
https://www.2carpros.com/articles/mitchell1eautorepair-car-repair-manuals
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Monday, January 30th, 2012 AT 5:33 AM

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