After cam swap codes po172 and po175 . Vacuum tester shows a steady 16 at idle, slowly increase throttle vacuum increases then returns to 16. Quick jump on throttle vacuum drops to zero makes loud rattling noise. Back at idle vacuum steady again. I'm new to this not understanding if its valve...
Let me start by saying I haven't done this in 30 yrs. I have a 2015 ram with 5.7. I had the cam lifter issue. I replaced cam and lifters. It starts right up idles great. 55 psi oil pressure on start when warm drops to 32 . When it drops and I try to rev motor at 1500 rpm it sounds like it's...
I have a 2015 dodge ram 1500 with 5.7 hemi. I'm doing a cam swap as the original is shot with lifter problem. My question is I cant seem to get new cam in all the way? I have a melling cam mc1411?
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