Question about 1995 Nissan Pathfinder

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Check engine light is staying on

Mechanic put it on the diagnostic machine and it said code 55.
What does that mean?

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55 No Malfunctions -I have a dodge shadow that puts this code out just to let you know that the computer is working correctly.  It is more of a self test code.  If you didn't get this code, then there was something wrong with the self diagnostics.

Posted on Mar 07, 2009

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Be advised that the MIL or CHECK ENGINE light can only perform a limited number of functions and it is a good idea to have the system checked with a scan tool to double check the circuit function.

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Fig. Fig. 2: Diagnostic trouble code chart (1 of 2)-1995-97 engines


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Fig. Fig. 3: Diagnostic trouble code chart (2 of 2)-1995-97 2.0L engines

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