Mechanics

MODELS AXXESS CHECK ENGINE LIGHT

1990 Nissan Other

Electrical problem
1990 Other Nissan Models 4 cyl Two Wheel Drive Automatic 250000 miles

have a 1990 nissan axxess w/ a check engine light on. Came on a year ago shortly after I had it smogged. Replaced the o2 sensor and it's still on. The light sometimes goes off by itself. I also found it will sometimes go off if I tap the dash over the light cluster. It doesn't seem to have any noticeable effect on the performance of the engine. Wether the light is on or off. Any chance the light itself could be bad? Could it be a ground short? Pretty puzzling
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Lou rogers
July 26, 2008.



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