My R/T pings in the winter too. Never in the summer. That defies logic!
Kenneth Berntsen wrote:
> My Dad's Grand Cherokee has recently started pinging real bad with the drop
> in temperature. I showed him on my dakota how he needed to reroute the coil
> wire and sugested he replace his plugs with Autolites. Any thing else I
> shoul have him try? Does the 180 T-Stat help this any?
>
> Later
> Kenneth
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