CHANGED THE PLUGS AMP BOTH O2 SENSORS

2003 Ford Windstar

Tiny

Anonymous

January, 20, 2013 AT 2:13 PM

Changed the plugs & both o2 sensors. Still giving codes po171 & 174, it also stumbles during acceleration (bogs down). Gas filter has been changed.

FOUND 16214 RELATED QUESTIONS

1 Answer

Tiny

ASEMaster6371

January, 20, 2013 AT 2:15 PM

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

Please login or register to post a reply.

Find Out How to Test Your Catalytic Converter