1998 Dodge Neon System Lean Bank One Does That Mean

1998 DODGE NEON
150,000 MILES
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system to lean bank one
what does that mean
Mar 15, 2013 at 3:20 PM
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JDL
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It means bank one is running lean according to 02 sensor. How long since a tune-up? 02 sensors are part of a tune-up. Some other possibilities, fuel issue--vacuum leak, Im sure there are other possible causes.
Mar 15, 2013 at 3:42 PM
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JDL
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What was the actual code #?
Mar 15, 2013 at 3:46 PM
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