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Premium Member
06TrailblazerSS 2wd
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1,448 Posts
Discussion Starter #1
Hello my question is will my stock MAF work on the supercharged engine that i have in the SS now long story short i replaced my engine some time ago with a supercharged engine i havent gotten a tune since then but im getting misfires on different cylinders but when i unplug the MAF the misfires go away do i need to get it tuned,get a new one or do i have to get one specifically for the engine now that its supercharged thanks in advance
 

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Premium Member
'08 Silver TBSS
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4,509 Posts
Yes the stock MAF will work with a supercharged engine but from my understanding is not optimal. It's recommended to swap to the LS3 card style MAF since it has better resolution for metering the airflow into the engine. But either way you need to get it tuned. My guess is the airflow is not being metered properly. I believe when you unplug the MAF the ECM goes into an open loop mode.
 
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