2003 4.7 stalls intermittently no codes

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buyandsell

Junior Member
Joined
Dec 8, 2022
Posts
4
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0
Location
Bullhead City, AZ
Ram Year
2003
Engine
4.7
It would just die and once I stopped and cycled key it would start up and run fine. I did a lot of forum reading and testing. Once I started looking at live data graphs I noticed erratic readings. I then decided to put my low amp and checked the patterns on the grounds. There I noticed what looked like a spark pattern. I decided to order coils and plugs. Last week I replaced all coils and plugs. I had 4 coils that were broken or missing the rubber boot. Sorry $ss mechanics. No more erratic stalls and all live data graphs look smooth. Hope this helps. Do the coils and plugs. They probably need changed anyways. I also went from 13.6 mpg to 15.9 mpg. So yes I’m now happy.
 
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