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Old 10-11-2012, 12:24 PM
NissanAltima01 NissanAltima01 is offline
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2003 Altima 2.5S
 
Join Date: Aug 2012
Posts: 327
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The P1320 code is "Ignition Signal" and i have posted a URL at the bottom to link you to the information you need for that code. If the spark plug hole was almost full you need to take it to a mechanic to fix it because that can be a fire hazard. It could be from a valve cover leak to damaged pistons or the O-ring gone bad that is causing that oil leak. I hope this helps...

OBD2 - OBDII Code P1320 NISSAN - Ignition Signal | Engine-Codes.com
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