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Shuttering And Check Engine Light On

2K views 5 replies 2 participants last post by  tonyc 
#1 ·
Hello , my 07 Nitro 3.7 has been shuttering at first I thought it was just confused on going from drive to overdrive so I always hit the tow button around town or where I won't be doing 55 or better then I turn it off when doing 55 or faster , here lately it has been doing it between 65 and 70 mph then the (dinger sounds) and the check engine light flashes but turns off a few second's later so I can't scan it , I am wondering if it is the transmission or a misfire , anyone ever have the same thing happen ? Thank you all in advance .
 
#4 ·
The 3.7 requires plugs every 30K miles.
Use only ZFR6F-11G plugs, NGK is OEM brand and what I use.
Do not use Platinum or Iridium plugs in the 3.7!
 
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