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-   4.0 SOHC / 4.0 OHV Tech (http://www.fordrangerforum.com/4-0-sohc-4-0-ohv-tech/)
-   -   4.0 SOHC throwing 7 codes! (http://www.fordrangerforum.com/4-0-sohc-4-0-ohv-tech/22646-4-0-sohc-throwing-7-codes.html)

brinker88 12-19-2010 11:31 AM

4.0 SOHC throwing 7 codes!
 
My fathers gf has a 1997 2wd ranger with a 4.0L SOHC. The thing would run great until it warmed up. After it warmed up and went to stop at a light, it would have a lopy idle and stall, yet if I put it up into nuetral at a light, it would idle just fine. Went to the auto parts store and had them read the codes and this is what I came up with:

Anyone have a listing of what these codes mean?

P1443
P1151
P0153- bank 2 sensor ckt slow response
P0401- EGR flow insufficient
P0171- Too lean bank 1
P0174- Too lean bank 2
P0420- Catalyst below threshold

Is there any way that a clogged catalytic converter could be throwing ALL of these codes?


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