Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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If you do not have a Service Engine soon light on when the key is turned to the ON position, you could be looking at a Ecm issue. First I would check all fuses with a test light to make sure none are blown. If none are blown, then you are most likely looking at a Ecm issue. Where I could provided the Ecm Terminal Reference check for you to verify.
This is a 2.5 Sentra correct?