The Check Engine Light may illuminate with fault code P0171 and/or P0174 stored, indicating a lean fuel mixture. Our technicians tell us the left valve cover gasket, upper intake gaskets, vacuum line, and bolts may need to be replaced with updated parts to correct this concern.
Car problem reports
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Most reported 1999 Ford Windstar problems
A knocking noise from the upper engine area may indicate a loose intake runner. Our technicians tell us if this is the case, replacement of the upper intake clamshell will be necessary.