ROUGH IDLE AT COLD START

  • Tiny
  • scottper58
  • 2001 Ford Crown Victoria
  • V8
  • 2WD
  • automatic

2001 crown vic On my first startup of the day have low idle(bat light low volt) once the car warms up all symptoms disappear is this a ect sensor problem

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Tuesday, June 21st, 2011 AT 7:51 PM

5 Replies

  • Tiny
  • rasmataz
  • Member

Check the charging system and also the ECT sensor

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Tuesday, June 21st, 2011 AT 8:06 PM
  • Tiny
  • scottper58
  • Member

Alternator is charging at14v. Just checked resistance on etc and is very low. 1.7kohms

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Tuesday, June 21st, 2011 AT 10:00 PM
  • Tiny
  • way2old
  • Member

Check the Idle Air Control motor. If it is dirty or plugged, it will give a low and rough idle condition until it warms up.

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Tuesday, June 21st, 2011 AT 11:07 PM
  • Tiny
  • scottper58
  • Member

Thanks, I replaced the idle air control valve

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Tuesday, June 21st, 2011 AT 11:33 PM
  • Tiny
  • scottper58
  • Member

Wher is the ect sensor on 2001 crown vic, wha I think is the ect has a 2 blade connecter and is coated with plumbers putty

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Tuesday, June 21st, 2011 AT 11:36 PM

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