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  1. W

    2012 ram 5.7 hemi wont run right need help

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  2. W

    2012 ram 5.7 hemi wont run right need help

    change your oil take care of it and you will be fine.. the guy i got this from ran it into the ground so motor wasn't in good shape to start with. Should of just got a diff motor
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    2012 ram 5.7 hemi wont run right need help

    OK guys found the problem....... 6 of the 8 intake valves leak even tho it ran good other then rough idle and had no power loss... But just to make sure il post what i did.... Took off intake rocker arm assys and push rods filled up each intake port with brake cleaner hooked compressor to...
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    2012 ram 5.7 hemi wont run right need help

    Yea i guess il do this next sigh.. round 6 here i go tearing shit apart again:893Chainsaw-Smilie- got pissed at it today and just punched it hoping something would just blow but it didnt hahaha def still has its balls.
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    2012 ram 5.7 hemi wont run right need help

    new crank sensor came in Welp we all knew it wasnt that easy... Compression test 1 175 2 175 3 175 4 160 5 175 6 160 7 150 8 175 So what do i do? im probably going to put air into the cylinder to see if any leaks out valves? or what do you think of these numbers?
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    2012 ram 5.7 hemi wont run right need help

    yes but the vvt is still installed and working also new vvt gear.
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    2012 ram 5.7 hemi wont run right need help

    i checked timing few times now its 100% i am hoping the crank sensor does it.. it comes thursday i ordered a mopar one this time instead of a knock off from advanced auto i thought possibly intake valve issue but the thing is it runs fine when ur driving its weird no power loss except for...
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    2012 ram 5.7 hemi wont run right need help

    waiting for new crank sensor to come how ever codes are gone again..... no engine codes what so ever and the truck did something weird today fired it up knocking loud ish again whatever these new 5.7s suck but put it in gear half way up the street it tried to stall was backfiring/popping threw...
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    2012 ram 5.7 hemi wont run right need help

    il re check wires just did the cam sensor and crank sensor is not to old but no code for it tho.. im at a loss might change it again tho its cheap just in case...
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    2012 ram 5.7 hemi wont run right need help

    welp wasn't the coil nor the plugs runs strong other wise if injector was bad wouldn't it run like shit under power? suspecting slight a bent intake cause 4 push rods where bent initially before i did the lifters how ever wouldnt my compression be bad tho?
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    2012 ram 5.7 hemi wont run right need help

    It finally!!! came up cylinder 6 missifre least now i have something to work with going to check the coil and injector on that cylinder this whole time i had no engine light til now.
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    2012 ram 5.7 hemi wont run right need help

    any suggestions for random multiple misfire??
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    2012 ram 5.7 hemi wont run right need help

    UPDATE just got it back together finally weather was warm today :D new set of lifters again...and a new vvt gear knocking is gone it sounds normal now. How ever still rough idle have the random multiple misfire code any suggestions? when i tore it apart the first time i put a new cam and...
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    2013 5.7 questions

    :rofl: Yea 16k is WAAAAAy to much if it has motor issues for that kind of money id pass in my opinion lmaoo i paid $6k for mine its a 2012 and fixed the cam/lifters i have higher miles but still. Your better off getting one with 0 issues for 16k...
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    2013 5.7 questions

    How much are they asking for it and how many miles on it? Normally around 100-130k or so these trucks need a cam and lifters. a lifter will go bad and kill the cam after market ones are much better and last 10x longer. Its not to bad of a job took me 2 days to do mine cost total bout...
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    What DON'T you like about your RAM?

    Love my truck but i despise MDS had to remove it.. 2. my truck has the shifter in the middle not the column getting use to it but still hate it :p other then that i love it!! guna run this thing til it wont move anymore!!!.
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    4wd switch

    not worth it to switch it.
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    2012 ram cam/lifter

    Also i lost one of the little washer/hold down things for the rocker assembly what are they called and where can i get a new one?
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    2012 ram cam/lifter

    I have posted on here before finally found out why my 2012 ram 5.7 with new non mds lifter/cam wont run right was idling like crap and tapping. I tore it apart AGAIN!!! the cam was defective so i sent both cam and lifters back. Now i need to get replacements again . HOW Ever i have a question...
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    2012 ram 5.7 hemi wont run right need help

    going to unplug them for the hell of it probably wont make it run better but going to take a vid of truck running with the noise i hate to tear it apart again but looks like its going that way...
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    2012 ram 5.7 hemi wont run right need help

    Yes NON mds lifters and NON mds cam and they are out capped off but plugged in sitting on top of intake so the engine light says off SHould i un plug them? i mean shouldn't make a difference if they stay plugged in because they are not installed correct?
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    2012 ram 5.7 hemi wont run right need help

    enginetech non mds but VVT cam and lifters from rock auto and all i did with the tune was disable mds nothing else used a diablosport i3 like i did on my 2010 except my 2010 still has mds lifters i also have the solenoids blocked off with block off plates but sitting under intake so the...
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    2012 ram 5.7 hemi wont run right need help

    changed out the coils today still runs rough at idle and sounds like a diesel Any suggestions before i rip this peace of shit apart for the 3rd time? thinking i got a bad set of cam/lifters they enginetech lifters/cam
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    2012 ram 5.7 hemi wont run right need help

    I hope so its driving me crazy i like the older hemi engines better miss my 03 :D
  25. W

    2012 ram 5.7 hemi wont run right need help

    I picked upa 2012 ram 5.7 160k on it cheap few months back it needed lifters and a cam so i replaced The cam and lifters with NON mds lifters/cam removed and blocked off the mds sensors but left them plugged in and tuned them out. Ever since i have had a rough idle no power loss great when...

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