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Old 12-19-2010, 11:31 AM
brinker88 brinker88 is offline
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Join Date: Aug 2010
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Default 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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1993 Ford Ranger Ext. Cab | stepside | 4x4 | 4.0L | Lifted | 35" BFG KM2s | MT Classic IIs | Dana 35/Disc 8.8 with 4.56's | Duals | Etc

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