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Discussion Starter · #1 ·
my check engine light came on the other day iused my tuner to check it and it pull up two codes one was,p0046and the other was p1621 the truck runs great but im wanting to find out what the codes mean.:help
 

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Discussion Starter · #8 ·
ok ya cause of the shift on the fly deal i am getting much better fuel economy now 18+ but ive notice a little lack in acceleration prolly the boost sensor
 
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