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2003 Jeep Liberty P1491

Tiny
DESTINY304
  • MEMBER
  • 2003 JEEP LIBERTY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 11,000 MILES
My engine code comes up p1491, but is not overheating. I did notice some smoke from under the hood. I have not driven it since the problem started. Is it just the fan relay?
Monday, September 28th, 2009 AT 10:07 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
DTC P1491 : Radiator Fan Control Relay Circuit

Possible Causes:

Intermitten Condition

Ground Circuit

Fused B+ Output Circuit

Radiator Fan Relay Control Circuit

PCM

Most suspected cause would be faulty / sticking control relay.
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Monday, September 28th, 2009 AT 11:10 PM

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