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code 231 some black smoke 200 1993

posted by  trichard on  Fri Jul 6 03:14 CST 2007
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last visit: Fri Oct 24 05:52 CST 2014
[RELATED]

Lambda adjustment.

2-3-1 Fuel trim (lambda control)
too lean or too rich at part load
If too lean: air leaks, low fuel pressure, bad sensor
Engine stops when starting from cold; high fuel use or Fuel trim (lambda control)
too rich at part load Oxygen sensor






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