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I went to start my '16 GC (90k) yesterday and it struggled to start but started and immediately popped up a big fat red message on the cluster warning about "Throttle Plate Service" needed. Only code was P0420 for same message on the cluster. I decided to try to drive it to the dealer but would not accelerate over 15mph. Had it towed to the dealer. Service Advisor says warranty will still cover parts (intake, EGR valve, few misc items).

I was doing some homework on how to prevent this from occurring again after the warranty expires and found this guy:

Has anyone used the Hot Shot products on your GC? Wondering if this will remedy the issue?
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