misfire

  1. D

    Hemi 5.7 MDS Lifter Test.

    Let me give you some background. My truck is a 2009 1500 5.7. I blew the engine like 9 months ago [ceased completely] replaced with an engine from a truck that had been set on fire and also had bad cams and lifters. I suspect the owners of the truck where that engine came from might have burned...
  2. P

    Need help!! Code p307 5.7 hemi

    I replaced my cam, lifters, oil pump, cam phaser, timing chain and guides, pushrods, coil packs (accel), spark plugs, new gaskets and deadbolts, vvt sensor, mds solenoids (mopar), moved injectors around, tested connections and wiring to coilpacks and injectors (all good) I've removed the valve...
  3. O

    mds lifter missing pins, rod bent

    So, I know the pins don’t have to line up with the hole in the lifter, but has anyone had where they can’t see the pins at all? Just re-did the cam, lifters, etc… Fired it up and had a cyl 1 misfire. Turned out intake rod seriously bent up. Turned out brand new lifter for exhaust had no real...
  4. R

    2009 5.7 rough idle until warm. Any ideas?

    Hello, 2009 5.7 hemi with almost 200,000KM on it. The truck started idling rough or driving really bad at low RPM. It vibrates badly. At high RPM it goes away and when it warms up it also goes away. The codes thrown were; P0300 - Multiple Cylinder Misfire P2017 - Intake Manifold Runner...
  5. I

    Dealer recommends engine replacement for @63k miles

    Had the hemi tick the past month. Had a misfire code on one of the cylinders. They said one of the rods are likely bent. Dealership recommends a cam and lifter replacement for 10k or engine replacement for 14k on my 2015 ram v8 with 63000 miles on it. Might just pay the diagnostic and take to...
    • inthespeedlane
    • Thread
    • blown motor cams dealership engine engine replacement hemi tick lifters misfire misfire cam lifter
    • Replies: 17
    • Forum: Engine & Performance
  6. L

    P0301 Help

    I have a 2011 Ram 1500 SLT 4WD 5.7 Hemi with 183,000 miles. These are all the codes I have currently: -P0301 cylinder 1 misfire -P0456 evap system leak (I have a small exhaust leak so self explanatory) -P0153 O2 sensor 2/1 slow response -P0133 O2 sensor 1/1 slow response -P0430 Catalyst system...
  7. J

    P206/P306 Intermittent Failures

    I've recently gotten stranded twice in the past week. Background: I've had these faults before in December 2022. I replaced the spark plugs, the coil on plug , and the fuel injector. I also cleaned the other fuel injectors. The problem cleared until May. The first failure occurred after about...
  8. H

    5.7 Hemi "blew up" by dealership?

    I have a 2015 5.7 Hemi with 140,000 miles First of all, I am no mechanic so bear with me. Bought this truck new in 2015, serviced regularly and never had a single issue until about a month ago. The malfunction indicator light came on and I noticed I was getting approx 2.5 MPG less than normal...
    • HCook
    • Thread
    • 1500 2015 5.7 hemi lifter lifter failure misfire piston rod ram ram 1500
    • Replies: 81
    • Forum: General Discussions
  9. A

    2009 HEMI Misfire without tick

    Afternoon all, Looking for some help on my 09 5.7L. I bought it with a cylinder three misfire. The truck runs at idle, but not well. The misfire seems to go away past 1K rpm. No ticking or noises at all from the engine. I have rules out plugs, coil, and injector. So what next. Thanks for...
  10. H

    Irregular signal sent to cyl 1 ignition coil

    2010 ram 1500 ST 4x4 5.7 hemi with 195000 miles. Been having cylinder 1 misfire and hemi tick that has been progressing lately. Tried to fix the cyl1 misfire and have swapped spark plugs and coils but misfire continues. I was worried it could be a broken wire or bad connector so I used a timing...
  11. MP9C

    In-depth look into p0300

    Hey everyone, First post here due to my newly acquired Ram. Specimen on hand 2011 5.7 Bighorn 190k Maiden voyage was 2.5 hours across the state pretty much without issue. Ended up with a o2 sensor code for a bad sensor and a P0308 for a bad coil. The old sensors looked original so they...
  12. M

    2011 HEMI Misfire P1416 (I've tried everything)

    BLUF: Catastrophic lifter/CAM failure pictures attached for your time. 2011 RAM 1500 Sport with the 5.7, 194k miles. Had the lifter issue a couple years ago, started a long road of repairs that have led to my first post here. I am NOT mechanically inclined past what I've had to teach myself...
  13. J

    Barely runs , p0300 codes 2012 5.7

    I was driving the truck home yesterday and all the sudden it wanted to die out , would restart but only running on a few cylinders. Got it home and would barely run , full tank of fuel , removed the line from the pump and put a gauge in it , 60 psi at key on , same with cranking , note that in...
  14. D

    2005 Dodge Ram 1500 4.7 Head gasket or cracked head

    I have a 2005 Dodge Ram 1500 4.7 liter engine non-flex. I know in some capacity I am getting coolant into my cylinders. I'm not sure if my head gasket is bad or could it be a cracked head. I bought this truck used back in January so I don't know a lot of history on the truck, unfortunately. I...
  15. W

    P0303 code

    Alright. About a month ago my 1998 ram 1500 popped up with a p0303 code. I got this code a couple years ago, cleared it and it never came back until a month ago. At first I thought it would be on the ignition side of things. Replaced spark plugs, wires, distributer cap, rotor and coil wire. They...
  16. D

    Unexplained Engine Problems (P0300, Unexplained Coolant Loss and Cruise Control Not Activating

    I have a 2005 dodge ram 1500 slt quad cab 4.7 Engine non-flex For the past 2 months, I have been having a p0300 misfire code (random intermitted misfire) and sometimes it will throw in a p0307 (cylinder 7 misfire) code. I have replaced my spark plugs in all my cylinders and replaced the...
  17. O

    Tune up issues

    Okay, so here we go, I started a tuneup on my 1997 5.9 2500 4x4 Before I started I had a misfire in cylinder 8, as I started my tune up, I noticed gunk on the spark plug for 8, I’ve also redone the distributor cap and made sure it has been wired correctly. It’s started up, and runs, however it...
  18. Sun_Devil375

    Dead Hole 4.7L

    I have a 2004 ram 1500 4.7L non flex fuel. I recently took it into a dealer to get the two airbag recalls taken care of and when I got home I looked over the paperwork they gave me. They never mentioned anything to me in person but on the inspection report it notes I have a dead hole in my...
  19. Cowboy Brick

    Rough Idle, Misfires, Rough acceleration, any help?

    I got a 2012 5.7 Hemi. Got my truck back from the shop and it's been misfiring since. They replaced a leak in the manifolds that was causing the tick and the tick is gone now. They also replaced the o2 wiring harness from the injectors all the way down to the o2 sensors and replaced both...
  20. G

    Truck shaking at 45 mph. Need help plz. (Solved)

    alright so i got this truck given to me, it had been sitting on a lot for sometime and green mold inside and out. Cleaned it up and took care of it. Head gasket was blown. Fuel pump was shot. I changed them out successfully. Had a crack on the head on the 2nd cylinder. Had a misfire p0302. I...
  21. D

    Engine dying tried everything

    Greetings all. First time here. I have a 2011 Dodge Ram 1500 with a cylinder 5 misfire, which happens around 3k rpm. Notified by a flashing engine light which will go away. If I left off and let it settle it’ll stop. The misfire with sometimes cause multiple misfires and the engine with shake...
  22. P

    HELP!!! TRUCK WONT RUN!!

    About a week ago I was working out in death valley. From death valley to my house is around 5 hours. My truck ran perfectly throughout the whole drive. We even stopped a couple times and I shut it off and it would turn back on no problem. When I reached my house I shut off the truck and went...
  23. R

    Ignition coil secondary circuit help.

    Hey guys, I’ve got a 2015 ram 5.7 hemi Laramie longhorn I need help with, intermittently the truck would throw a misfire code for cylinder 8 (0308) now it’s a constant code followed by P2323 ignition coil H secondary circuit malfunction. Lemme tell y’all what I’ve done. Bought new coil and...
  24. F

    New wire harness destroyed my engine.

    To start I have a 2013 Ram 1500 (3.6) I was getting a bad misfire on cylinders 3rd & 5th. I went ahead and replaced the ignition coil for all 6 cylinders as well as the spark plugs. The misfires continued and it was determined that the problem was the wiring harness. I took it to a Dodge...

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