check engine
There is no OBD connection on a 1990 Nissan as that is an OBD1 vehicle not OBD2. However there is a way to read the codes. https://codes.rennacs.com/Petrol-Engine/Japanese-Korean/Nissan-Engines.php
how to reset engine check light on 2009 murano
Check your engine. Check your fluid levels and add if needed.
A quick way to reset the check engine light would be to disconnect the battery for a short while
To reset the check engine light first lift and prop up the hood of the 2002 Nissan Sentra. Then proceed to remove the negative battery cable for five seconds.
Repair the problem then use an OBD2 scan tool to reset the light.
if your take it to a autozone tell them you have a check engine light and they will tell you whats wrong if anything and reset it take it to autozone and tell them your check engine light is on and they should reset it
your oxygensensor is bad ,its screwed in to your exhaust manifold, about 30.00
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Auto Zone or Advanced auto parts can reset the light for you. They tell you they are not suppose to but many times they will.
The best way to reset the engine warning light on a Nissan Primera p12 would be to take it to a mechanic. It is best to have a mechanic check it out to make sure nothing is wrong that could malfunction and put someone in danger. The mechanic will be able to reset the engine warning light.