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Old 10-09-2011, 07:38 PM
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60s70smoparnut's Avatar
Join Date: Oct 2011
Location: Dobie, Ontario
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Canada P1494

I have a 2003 Grand Cherokee overland with 4.7 H.O. I keep getting P1494 code for a leak detection pump. Does anyone know where it is and how to troubleshoot it?


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Old 10-12-2011, 12:06 PM
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Location: Vallée de l'Outaouais
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Default Re: P1494

check the vacuum lines near the evap can/intake manifold? thats a common source for this code.
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