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Mass air upgrade

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Old Sep 23, 2016 | 02:15 PM
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Akinley
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Default Mass air upgrade
Hello, I have an '02 GMC Sierra with a 5.3.
I noticed that the mass air sensor looks more like a mass air restrictor. I've seen an after market sensor that'* much more open to allow better airflow. Has anyone had any experience with an aftermarket mass air sensor?
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Old Sep 23, 2016 | 05:25 PM
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Only if you are upgrading by means of a turbo or supercharger. Otherwise, leave the stock one alone.
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