Ram 1500 misfire
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Joined: Nov 2020
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Ram 1500 misfire
'09 Ram 1500 5.7 RWD 220K miles, long story, engine began to have an occaisional hard misfire which became more frequent, threw code for MD solonoid reset fail. Replaced all MD solonoids, truck ran good however sometimes under a load, pulling a hill etc., will get another misfire. Now throws code for cyl. 3 misfire. 90% of the time the truck runs fine. Other things I've noted: if truck begins to have hard misfire I can shut off engine and restart and most times the misfire will be gone, sometimes the "fuel saver" mode light does not seem to be working, tow/haul mode seems to always be working as it should. My first thought was to replace #3 plugs and see what happens, but thought I would get all of your expert input before proceeding THANKS
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Joined: May 2020
Posts: 5
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From: Vancouver WA.
'09 Ram 1500 5.7 RWD 220K miles, long story, engine began to have an occaisional hard misfire which became more frequent, threw code for MD solonoid reset fail. Replaced all MD solonoids, truck ran good however sometimes under a load, pulling a hill etc., will get another misfire. Now throws code for cyl. 3 misfire. 90% of the time the truck runs fine. Other things I've noted: if truck begins to have hard misfire I can shut off engine and restart and most times the misfire will be gone, sometimes the "fuel saver" mode light does not seem to be working, tow/haul mode seems to always be working as it should. My first thought was to replace #3 plugs and see what happens, but thought I would get all of your expert input before proceeding THANKS
