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13/08/2021 9:39 pm
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Why does my 2003 nissan frontier 3.3L v6 ping on 87 octane but not on 91 octane?
1 Answer
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13/08/2021 10:32 pm
Carbon buildup in the cylinders, bad knock sensor. Does it have a distributor-type ignition? If timing is adjustable it may be too far advanced.
