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Infiniti qx4 showing p1320 and p0300 codes. what could be problem?
Wiki User
∙ 13y ago
You have a random cylinder misfire. Assuming your car is 2001+ replace the ignition coils and spark plugs. You may have to clean/replace the MAF. Had exact same codes on my QX4.
Wiki User
∙ 13y ago
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