Question about 2004 Dodge Ram 1500

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Truck vibrating, loss of fuel efficiency

Truck vibrates unusually and the fuel efficiency went from 17.2 to around ten. Was running fine yesterday. Check air filter and it was clean. Seems to be something witht eh fuel injectors.

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  • nashj Jan 10, 2009

    Not a diesel but a Ram 1500 Hemi 5.7L.....where would I find the distributor cap?

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Very well possible that it is ignition related rather than fuel injectors. I would replace the distributor cap and rotor. I recently had on that was having pretty much the same problem as you are describing and that took care of it. I am presuming that it is not a diesel.

Posted on Jan 10, 2009

  • Edward Hurst Jan 11, 2009

    You did not say what year it is. I recently had another one here (1995 Dodge Ram 1500) that had almost exactly the same problem and didn't have a distributor cap, but individual coil packs. One of the coil packs was drawing dampness and misfired very badly. It did it mostly on cool damp or wet days. It was also very difficult to start when it was acting up.

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