P1494 manufacturer control auxiliary emission control - JeepForum.com
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Unread 10-11-2008, 12:28 PM   #1
tommytoes
Registered User
2001 XJ Cherokee 
 
Join Date: Oct 2008
Location: new jersey
Posts: 11
P1494 manufacturer control auxiliary emission control

manufacturer control auxiliary emission control code P1494
i got this code and description when i hooked my ODB II tool up to my 2001 Cherokee can anyone tell me how to correct this problem

thanks

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Unread 10-11-2008, 04:54 PM   #2
DinoSorcerer
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1995 XJ Cherokee 
 
Join Date: Sep 2008
Location: Anoka, MN
Posts: 17
Any code with a 1 in-front of it is manufacturer specific. As far as Jeep goes, I'm fairly certain that's a 'leak detection system' code. It's a super common code for Jeep. It's likely an EVAP canister or vacuum related.
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