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Removed secondary air pump

Tiny
WOLF03
  • MEMBER
  • 2003 VOLKSWAGEN JETTA
  • 1.8L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 116,800 MILES
I removed the factory air filter and installed a cold air intake system, I was advised to remove the secondary air pump for a proper balance of the air/ gas ratio. If I remove that pump, what are my chances with that air/ fuel balance
Monday, September 23rd, 2019 AT 10:46 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
The air fuel mixture is controlled by the oxygen/map/maf sensor inputs if you remove the secondary pump it should be able to calibrate and be okay. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, September 24th, 2019 AT 12:50 PM

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