2000 MERCURY STATION WAGON CODES

  • Tiny
  • serenmarie
  • 2000 Mercury Station Wagon

Engine Mechanical problem
2000 Mercury Station Wagon 6 cyl Front Wheel Drive

My cars check engine light came on a few days ago. Before I had a chance to really look into in why, the car started jerking and dying at stop lights and stop signs. I took it to O'Reilly's to use on of the small diagnostic machines. I got codes po171, po174, po654, and po200. The people there were unfortunately not a lot of help as to what these codes could mean, if they were just individual codes or a group of codes to show a bigger problem.

I also came across this link with a tip for Ford's with cods po171 and po174. I've been told Ford Tauruses and Mercury Sables are nearly the same thing. http://www.aa1car.com/trouble-codes/page3.htm

Any advice? Thanks so much

Serenity

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Saturday, April 17th, 2010 AT 6:05 PM

3 Replies

  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Hi serenmarie,

Thank you for the donation.

P0200 Injector Circuit Malfunction

P0654 Engine RPM Output Circuit Malfunction

There are no reference for both the above codes in the Mercury repair database. Can you reconfirm the codes?

Maybe you can try a different scanner.

P0171 System too Lean (Bank 1)

P0174 System too Lean (Bank 2)

Seems the engine is running too lean and could be related to the P0200.

Was any repairs done prior to the problem occurring?

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Sunday, April 18th, 2010 AT 2:55 PM
  • Tiny
  • serenmarie
  • Member

No repairs have been done for over a year. My husband did find the vacuum hose was cracked and fixed it. It's no longer jerking and dying, but the engine light is still on. Do you think a scanner from a different store might work?

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Sunday, April 18th, 2010 AT 6:37 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

As the codes presented is not found in the trouble code list, a different scanner might help.

Some generic scanners are not 100% compatible so it can only provide a close description of the problem.

If the trouble codes were not erased, try erasing them and retry if the CEL goes away. Erasing the trouble codes is also required to verify the actual codes since vacumn leaks have been rectified.

Keep me updated on the outcome.

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Monday, April 19th, 2010 AT 5:38 AM

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