P1131 with P0171 but not with P0174 - Ranger-Forums - The Ultimate Ford Ranger Resource

2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 07-22-2012
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Join Date: Jul 2012
Location: PDX, OR
Posts: 1
P1131 with P0171 but not with P0174

1999 Ford Ranger Flex Fuel 3.0 V6
I'm receiving error codes P1131 and P0171 any ideas?

O2 Sensor?

I saw a thread on here that had P1131, P0171 and P0174. But I'm just having the first two.
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