3rd Gen Ram Tech 2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

HELP with CEL it's on.

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09-12-2008, 01:19 AM

catking614

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HELP with CEL it's on.

I have a 2002 Ram1500 4.7L V8. The light just came on and I took the OBII scanner and it came up with code P1491, and it said control auxilary emission controls. Can someone narrow that down for me? Thanks I love my truck!

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09-12-2008, 01:29 AM

catking614

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Ok, I looked at the stickey and I saw the codes P1491 says Cooling Fan Relay control circuit, how would I go about fixing that?

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