Question about Dodge Cars & Trucks
The 5.9 Magnum has a misfire and surging at 1200-2000 rpm in all gears that cannot be eliminated with new ecm distributer, cap, rotor, wires, plugs, fuel rail, injectors, fuel pump, coil, intake manifold gasket. what else needed?
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Posted on Jan 02, 2017
you can try changing the ignition coil, I own a 97 Dodge 1500 and mine did the same and thats what i had to do.
Posted on Oct 08, 2008
If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe
Posted on May 26, 2009
Wow you have replaced a lot of stuff. Lets go back to the Fuel pump. When you replaced it did you replace the hose between the pump and the sending unit. These are common for splitting. Have you hooked up a fuel pressure gauge to check what pressure you have? It should be real close to 13 psi and should raise to at least 18 or 19 when you pinch off the return line.
Posted on Jun 02, 2009
If you have spark and gas it should at least fire unless you don't have any compression. I would make sure that you have spark on all cylinders at the spark plugs.
Posted on Oct 19, 2013
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