p0300

  1. D

    Misfire Codes After Engine Swap

    I got a 2010 Dodge Ram at an Auction Last Year. A month into driving it the engine seized. I put in another engine that was swapped out because of a bad cam, is what I was told. I put in my old cam in after inspecting it. MDS lifers were still good so I put them in the "new" engine too. I had...
  2. Mordanger

    NEW HEMI!!

    Ok, notorious lifter issue fried my motor at 120k miles. Bought a BRAND NEW 5.7 from MOPAR that came FROM MOPAR with NGK Iridium plugs. ONLY re-used the Oil Pan, Valve Covers, & left the A/C system in tact. 20% larger injectors BBK Shorty Headers Spectre Air Intake Edge CTS3 Tuner Those...
  3. S

    Multiple Misfire 2009 Ram 1500 5.7 - Need Help

    Hi guys, new to posts and ram 5.7 truck in General. But basically my issue is the multiple misfire code I am getting, and it does not show me which cylinder is actually misfiring. I had got the truck for a fair price due to misfire on cylinder #5 and did all the basic tests and ended up needing...
    • Stoodis
    • Thread
    • camshaft replacement diagnose help misfires multiple misfires need help not starting p0300 ram 1500 rough idle
    • Replies: 22
    • Forum: Engine & Performance
  4. J

    2015 5.7 Ram unmodified 120k miles running great then suddenly starts loosing power and eventually dies when pulled over and stopped.

    Unmodified and very well taken care of, adult driven and operated perfectly until driving approximately 60mph on a dry day I start losing power and I can feel the engine misfiring. Dies as soon as I pull to a stop and wouldn’t restart until returning with some tools 30 minutes later. Truck...
  5. 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...
  6. rowemesp

    2017 1500, 5.7L, 22,000 miles P0307, P0300, check engine light on

    In recent weeks I noticed that the idle was a little rough at times, but the truck seemed to drive OK and engine roughness wasn't noticed while driving it and at that point it showed no codes stored in the computer. I put fuel system cleaner in one tank of fuel with no improvement...
  7. K

    2008/5.7 - Engine Stalling/RPMs wont climb above 4000

    Hello, I have some issues with my 2008 RAM 1500 4x4, 140k miles. From time to time it had always stalled at red lights, but it wasn't that big of an issue. Now, however, it will randomly stall while driving- which is super inconvenient, but other times it drives fine. Below is a rough timeline...
  8. D

    P0300 on startup

    Hello all! I have a 2014 Limited 1500 with the 5.7L. I have a Hemifever tune and a few other mods, but generally have seen very light duty. Always have run Mobil 1 & changed the oil & filter long before the DIC says to. With 53k miles on her, I began getting the P0300. After clearing it...
  9. B

    Random Misfire After Starting

    Ok, so I have a 2005 Ram 1500 with the 4.7 liter engine. The engine was replaced before I bought it (somewhere around 50,000 miles the previous owner ran the engine dry, he claimed an oil change place left the plug out.) The engine was replaced with a reman so I have no idea how many miles are...
  10. USMC-ORDO

    Troubleshooting a 5.7 engine issue

    Hello everyone, I have exhausted my "know how" and have decided to see if anyone can assist here. I have a 2013 RAM 1500 5.7 with 106,000 Miles. I took off on a 800 mile road trip recently and about half way I felt my truck start to idle rough (very mild at first) it was only doing it during a...

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