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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 05-14-2014
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Join Date: May 2014
Location: liberty.texas
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misfire number 3 help

i keep getting a misfire #3 detected changed all the injectors, coil pack wires plugs, pulled valve cover checked springs on valves, changed egr, runing compression 30 to 50 psi , regular 160 psi, dont know where to go from here other than a dealer. any ideas would be appreciated. oh also looked at samples of fuel (good) and fuel pressure running at 64psi
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