i'm getting p1311 and p1312 codes on my 2001 isuzu trooper
Year: 2001Make: IsuzuModel: trooperEngine: 6
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In most cases these codes are set due to the wrong spark plugs.Check the spark plugs and verify that they are the Original Equipment (OE) Nippon Denso K16PR-P11 plugs. The spark plugs serve as part of the ION Sensing Ignition System and it is important to use the ones the system was designed around. If the incorrect spark plugs are used, a fault code will set
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