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Rough idle 2004 explorer

changed egr valve spark plugs

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If you are asking how you change the valve spark plugs, you need to consult a mechanic. This is because the process is too technical as it involves the engine parts. You also need to know how to pressurize the cylinders before compressing the valve springs to avoid any damages.

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no i changed the egr vavle and the spark plugs but it still has a very rough idle and when driven its not good but upon stopping the truck shakes , had the codes red and now its saying i need to change the map sensor im getting tired of spending money for this truck all weekend ive been at the mechanic trying to figure this thing out
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Check engine light. On? May be a coil pack

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i changed the egr valve, coil pack spark plugs and wires map sesor engine light got rest and now its flashing again still hgave the problem
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