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dodge ram 1500 missfire no codes

hdrider74hdrider74 Posts: 2
edited June 2018 in Dodge
im working on a 2001 dodge ram 1500 5.9l new engine last year. all of the sudden this truck started missing. i replaced plugs,wires,cap and rotor and coil. trucks starts seems to run decent rev engine revs good. put in gear soon as it gets a load it starts to miss put in neutral and still misfires. shut down and restart some times idles perfect sometimes sometimes not. i'm wondering if its the distributor anyone with ideas or dealt with this same issue ?


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 63,454
    Did you use a professional scan tool or just a code reader? You'd get a lot more info with the right tool.

    Also, it is possible it's not an ignition problem, but a fuel delivery problem, so checking fuel pressure with a gauge would also be helpful in tracking down the issue.

    The fact that it misfires in neutral, without load, leads me to suggest using the fuel pressure test.

    You could also have bad fuel, so that's worth taking a sample.

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