Have a question about my nissan sentra sv.

Asked by Teresa_12 Jul 28, 2020 at 10:02 PM about the 2014 Nissan Sentra SV

Question type: Maintenance & Repair

My car it a nissan sentra sv and my check engine
light turns on and it was the mass air flow senser
and i change it and now again my check engine
light came on again and i dont know what can it
be now..??

3 Answers

9,695

Could be a faulty new part. If a exchanging doesn't help, have the engine scanned again.

3,765

when I had check light problems, I just changed my air filter and the light when off immediately. My MAS was however one of the areas of concern. To keep it clean I go buy pipe cleaners from a smoke shop and use the tiny fiber rods to clean out the "eyeglass" in the part/ instrument. The MAS might look different however in that car.

I had an independent mechanic diagnose bad Mass Air Flow with his plug-in diagnostic tool, but replacing that MAS did not make the check engine light go out. He called a senior mechanic that said to replace the PCV valve. That also did not make the light go out.

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