Changed the plugs & both o2 sensors.Still giving codes po171 &174, it also stumbles during acceleration (bogs down).Gas filter has been changed.
Jan 20, 2013 at 6:13 AM
2003 Ford Windstar Changed Plugs And Both O2 Sensors Still Giving Codes Po171
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o2 sensors are not the issue.
low fuel pressure, vacuum leaks, mass air flow sensor or pcv valve are the reasons for these codes.
Roy
low fuel pressure, vacuum leaks, mass air flow sensor or pcv valve are the reasons for these codes.
Roy
Jan 20, 2013 at 6:15 AM
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