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2000 Crown Vic Idle Question

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  • 2000 Crown Vic Idle Question

    Hi all - need your expertise. Have a 2000 CNG Crown Vic with 43K miles that "occasionally" dies when started cold then driven 1/2 mile to the stop sign. After restarting it is fine the rest of the drive. My best guess is 1 out of 20 times it happens. The car otherwise runs well - any suggestions what I can do to increase the cold idle and what might be the cause?

    thanks much in advance

  • #2
    Re: 2000 Crown Vic Idle Question

    I assume this is a dedicated Crown Vic, no? P71?

    First thing you need to do is see if the OBD is generating any codes. The tolerance between lean and rich is an insanely tight one. IIRC, either 2% or 5%.

    Could be something as simple as an O2 sensor starting to fail.


    ?Innovation is driven by having access to things.? -- Gleb Budman, CEO of backblaze.com

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    • #3
      Re: 2000 Crown Vic Idle Question

      Mine did that and I flushed the injectors and it took care of the problem

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