Engine miss

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greg mayrhofer

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make sure you have cleared that code for the 5 cyl misfire as i am sure you have, second you must rest the ecm to the factory perimeters, as the input of the misfire could still be in the ecm, just a though
 
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Rockie Rich

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You should run a compression check it sounds like a intake valve could be stuck or sticking! That would explain the fuel in your engine oil. Just a thought
 
Dusty

Dusty

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Because of the cylinder 5 issue, it seems to be a popular opinion you are looking at a failed lifter problem. However, fuel in the oil, especially enough to notice, doesn't fit with a failed lifter/cam.

Follow the entire trouble code string (primary & secondary) and see where it leads you.

Regards,
Dusty
2019 Ram 1500 Billet Silver Quad Cab 2WD, 5.7 Hemi, 8HP75, 3.21 axle, 33-gallon fuel tank, factory dual exhaust, 18” wheels. Build date: 3 June 2018. Now at 80008 miles
 
Dusty

Dusty

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Jared Worley said:
5 is the most common cylinder to have an Mds induced cam/lifter problem.
Click to expand...
Except #5 is not an MDS cylinder.

Regards,
Dusty
2019 Ram 1500 Billet Silver Quad Cab 2WD, 5.7 Hemi, 8HP75, 3.21 axle, 33-gallon fuel tank, factory dual exhaust, 18” wheels. Build date: 3 June 2018. Now at 80008 miles
 
Jared Worley

Jared Worley

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Correct. But in Mds Engines for whatever reason the #5 cylinder seems to have the most issues. It was the same with mine and I went through coil packs, plugs, injectors thinking it was something else. Ended up swapping a low mileage motor that was too good a deal to pass up. Fingers crossed for ya. A cam swap and new lifters isn't the worst that could happen.
 
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Ken parker

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Turns out it is a cam/lifter problem time to tear into it thanks for all the replies
 
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