Asked by Tank82 Apr 24, 2019 at 09:58 PM about the 2012 RAM 1500 Sport Crew Cab 4WD
Question type: Maintenance & Repair
Haven't had truck over a year out the blue get a flashing
CEL scan came up cylinder 7 misfire change all spark plugs
coil packs a full tune up still when I try to hard accelerate
CEL start flashing again and begins to run rough at low
speeds truck drives fine dont want to keep spending money
on stuff that ain't fixing the problem truck been sitting a
month now. Any answers also start making ticking noise.
InfernoDodgeram answered 6 years ago
My 2012 ram had the same issue. The misfire on #4 started at around 150K. Soon after I started finding coolant in my engine compartment which led to overheating. this was intermittent. it got worse and worse. I was getting coolant in the #4 hole. it would only leak when hot but when it did it was pressuring my coolant system and pushing it out the cap. the tick (If you don't have an exhaust leak is a lifter tick. common with the hemi of this era. the lifters develop flat spots and tick with the possibility of wearing your camshaft. I am in the process of swapping my engine with a newer one. Easier and close to the same cost of repairing it.
i'm having these issues right now . Cylinder 4 misfire swapped coil from 4 to 2, plugs from 4 to 6. Got cyl 6 misfire, Plugs had a whitish residue on them. Replaced plugs, cyl 4 misfire came back. Seems to be coolant leaking into 4 and causing misfire. Also has ticking, which they tell me is probably my cam and lifters.Now getting cyl 4 misfire and P2181, cooling system performance and overheating. Going to replace engine as the cam and lifter repair will cost too much compared to replacing engine
Haven't had truck over a year out the blue get a flashing CEL scan came up cylinder 7 misfire change all spark plugs coil packs a full tune up still when I try to hard accelerate CEL start flashing...
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