P0171 and p0174 common causes 6.4 hemi has anyone had luck with this one

[Miked1957]

P0171 and 174 on a 2015 ram 2500 64 hemi has anybody found common cause for the lean codes mileage is at 150,000 is it common for the intake gaskets to be the root cause not able to narrow it down to a single cylinder idles a little rough on cold start as soon as it warms up settles in check engine light will go on and off seems to do more when cold

 

[Wild one]

P0171 and 174 on a 2015 ram 2500 64 hemi has anybody found common cause for the lean codes mileage is at 150,000 is it common for the intake gaskets to be the root cause not able to narrow it down to a single cylinder idles a little rough on cold start as soon as it warms up settles in check engine light will go on and off seems to do more when cold

Check your intake manifold bolts

This hasn't been talked about for awhile,but check your intake manifold bolts.They call for 108 in-lbs or roughly 9 ft-lbs of torque,and they should be checked at least yearly,as they do loosen up. I've been doing mine at least twice a year on all 3 of of my hemi equipped vehicles.They should be...

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