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Engine loosing power on acceleration?

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Where is the rushing air noise coming from you have a vacuum leak or a leak in the intake tube?
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Monday, December 14th, 2020 AT 9:11 AM (Merged)
Tiny
FISHING4X4
  • MEMBER
  • 1 POST
  • 2000 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Have a 2000 chevy s10 4.3l v6. Check valve from A.I.R. Pump to exhaust manifold blew. Had to replace valve all tubing from valve to A.I.R pump. Changed oil, fuel filter, new battery, also checked air cleaner, air filter. Checked MAF filter is clean. Problem is truck will only speed up if I lightly push pedal. When you try to accelerate puts, jerks, jumps. All started after I replaced the pump and valve. Also had to replace 30 amp maxi fuse under battery.
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Monday, December 14th, 2020 AT 9:11 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to see if you have any engine codes and fuel pressure. Check all your hoses and ducts for holes or disconnected especially by the maf. It can also be the injector lines inside the inlet manifold that does this as well.
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Monday, December 14th, 2020 AT 9:11 AM (Merged)

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