codes p171 p174

[rhiannon]

ive got a 2000 ford explorer eddie bauer v8 p171 and p174 codes are showing we have cleaned the maf changed all 4 o2 sensors changed dpfe the light is still on it runs amazing any ideas??

 

[Rick]

I recommend that you enter the trouble codes into our Google search box near the top of each page. There are links which may be helpful to you.

 

[Mike65]

Welcome. Which engine is in your Explorer? If it is the 4.0 SOHC check out this link. http://www.fordrangerforum.com/4-0-sohc-4-0-ohv-tech/15560-01-4-0-lean-codes-po171-po174-look.html

 

[swshawaii]

Welcome. Which engine is in your Explorer? If it is the 4.0 SOHC check out this link. http://www.fordrangerforum.com/4-0-sohc-4-0-ohv-tech/15560-01-4-0-lean-codes-po171-po174-look.html

ive got a 2000 ford explorer eddie bauer v8 p171 and p174 codes are showing we have cleaned the maf changed all 4 o2 sensors changed dpfe the light is still on it runs amazing any ideas??

Possible vacuum leak(s). Maybe time for a smoke test.