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Anonymous Posted on Jun 20, 2017

The check engine light was on my 1999 Ford Taurus. P0411 was found by a scan tool ELMScan 5 Compact. And then found that the smog air pump had water in its body, stopped working, and was replaced with a new one that works, Also checked vacuum hoses and they looks good. But the engine lights keeps coming back on every second drive cycles after turned it off many times. How to fix the problem now? How to protect water from the new smog air pump?

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john h

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  • Ford Master 29,494 Answers
  • Posted on Jun 20, 2017
john h
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Code will keep returning until repair is correct or you have another problem

3 Related Answers

Anonymous

  • 40 Answers
  • Posted on Mar 19, 2009

SOURCE: my ''nox'' emissions was to high on smog test?

Check the timing.

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Anonymous

  • 148 Answers
  • Posted on Jul 19, 2009

SOURCE: My 97 Taurus has code P0411. What do I need to do

that code indicates that there is a air pump to decrease the amount of harmful fumes thru the exhust system the air pump maybe failing causing the code

Anonymous

  • 172 Answers
  • Posted on Apr 16, 2010

SOURCE: ford taurus v6 duratec vacuum hose diagram

under the hood is a vacum diagram

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