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Ron, ASE Certified Technician
Category: Car
Satisfied Customers: 36081
Experience:  ASE Certified Tech
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im getting p1311 and p1312 codes on my 2001 isuzu trooper

Resolved Question:

i'm getting p1311 and p1312 codes on my 2001 isuzu trooper
Submitted: 7 years ago.
Category: Car
Expert:  Ron replied 7 years ago.



Thank you for asking your question on JustAnswer.


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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