Aftermarket intake

Tiny
DALTONTROTTER
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 310,000 MILES
I have a 2004 5.3 and I installed a acesefi aftermarket intake and I’m not sure if I need to do anything about my map sensor since my old intake had one but this one doesn’t.
Wednesday, November 26th, 2025 AT 4:26 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,231 POSTS
It needs the sensor to calculate the fuel flow based on the pressure and vacuum in the intake. You will need to figure out a way to mount it into the new intake unless you have added a custom tune that eliminates it. Most of the aftermarket intakes have ports where you can tap the vacuum the MAP needs.
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Wednesday, November 26th, 2025 AT 9:48 PM

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