Hey My wife drives a Grand Cherokee. That thing pings all the time I have put in a 160 T-stat replaced the cap and rotor with the brass ones. Still pings. I wanted to get the update on the prom but the dealer wanted 120 buck to update it. I have tried to find a colder range of plugs but have not been able to yet. She has the I-6 motor not the 318. ( Buy the way I get better gas milage in my 318 w/ 3.90 gears ) What plugs autolite plugs are you running?
Matt Tharp
1993 Dodge Daktoa 318
1997 Heep of Grand Cherokee I-6
1967 Big block Chevelle
On Sat, 9 Dec 2000 13:53:52 -0600 Kenneth Berntsen <kenneth@berntsen.cc> 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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