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What does this check engine code meanp1643

Tiny
KELLY JEAN
  • MEMBER
  • 2001 DODGE CARAVAN
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 220,000 MILES
The check engine is on and the code it gives me is p1643 and want to know what it means
Friday, February 12th, 2016 AT 7:06 AM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Which engine do you have?
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Friday, February 12th, 2016 AT 7:06 PM
Tiny
KELLY JEAN
  • MEMBER
  • 2 POSTS
3.3 v6 automatic
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Saturday, February 13th, 2016 AT 7:42 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
DTC P1643 Engine Speed Output Circuit.
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Monday, February 15th, 2016 AT 9:17 AM

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