Truck Forums - Intake and Exhaust

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kman	Jun 30, 2007 01:46 AM

Intake and Exhaust

I just installed a corsa exhaust system and a volant intake on my 05 sierra z71. i have noticed that when i floor it, the trans doesnt shift down, rather it starts in a higher gear and accelerates slowly, what's up? please help me figure this out, thanks.

72charger

Jun 30, 2007 09:55 AM

RE: Intake and Exhaust

Uuuhhhh.... Is the MAF plugged in???

MrLM7

Jun 30, 2007 10:25 PM

RE: Intake and Exhaust

I'm guessing it does this around 40-50 mph??? It's just the way it's geared... Try turning on your Tow/Haul mode on...

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