Mechanics

ENGINE PROBLEM

1993 Jeep Cherokee • 251,977 miles

What does engine code 51 mean?
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Haroldkidder
February 10, 2013.



http://www.2carpros.com/articles/jeep-diagnostic-trouble-codes-for-car-built-on-or-before-1995-odb1

51 Oxygen sensor signal input indicates lean air/fuel ratio condition during engine operation

Caradiodoc
Feb 10, 2013.