http://extreme-check-engine-light-codes.com/blog/obd2/2004-ford-truck-with-code-p0503/ Sun, 13 May 2012 23:35:42 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://extreme-check-engine-light-codes.com/blog/obd2/2004-ford-truck-with-code-p0503/comment-page-1/#comment-1402 Misfire still with new coils and plugs.... - Page 7 - Ford Truck Enthusiasts Forums Mon, 12 Mar 2012 02:15:10 +0000 http://extreme-check-engine-light-codes.com/blog/?p=304#comment-1402 [...] or trying to check it in the truck. I have five spare ones that I can swap out one side at a time. 2004 Ford truck with code P0503 | Extreme Check Engine Light Codes __________________ <>< 2002 X Lmtd 4x4 v10 - Black w/ Tan, '05 Grill, HID HL's, [...] [...] or trying to check it in the truck. I have five spare ones that I can swap out one side at a time. 2004 Ford truck with code P0503 | Extreme Check Engine Light Codes __________________ <>< 2002 X Lmtd 4×4 v10 – Black w/ Tan, '05 Grill, HID HL's, [...]

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