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16/09/2021 7:51 pm
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I need help on a 2003 Ford Expedition with the 5.4L and the check engine light came on and the codes were p0300 p0171 p0303 and the truck runs rough. Help!!! I have change the spark plugs but not the coils. The truck has 187k miles.
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17/09/2021 4:51 am
