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0174 system too lean bank 2
Vacuum leak after changing the spark plug and valve cover gasket, long term fuel b2s1 is 15% or higher, short term is about 11%, O2 Sensor is reading,O2s21(mv) 81-104,O2s11(mv)123-800. I have check and tight all vacuum holes, open intake twice to check the gas... Login to read more. 
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24 Replies Received
24 Replies Received
| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2002 Mazda Tribute LX 3.0L
| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
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