Revised PCM software available for spark knock on Dodge Viper
Problem Description
Our technicians tell us that there is a Powertrain Control Module software update to correct an engine spark knock when using 91 octane gasoline.
(1 person reported this problem)
Dodge Viper Vehicles With This Problem
1 model year affected: 1999
Average mileage: (–)
Data verified by RepairPal experts
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