low pressure of rpm

2003 KIA SORENTO
160 MILES • TURBO • 4WD • AUTOMATIC
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NUJ
New calibrated injectors, new engine overhauled but the power is low.can speed only eighty mph.
Jun 15, 2017 at 6:20 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check fuel pressure with a gauge may be low and causing the problem. auto parts rent gauge, but you may need an adapter to check this. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Jun 15, 2017 at 8:19 AM
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