Loses power when warmed up

Tiny
JOANNA JUSTIN PERDUN
  • MEMBER
  • 2003 KIA SORENTO
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 147,000 MILES
When it is not warmed it runs good, but once it warms up it starts to lose power.
Wednesday, June 28th, 2017 AT 10:36 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure with a gauge. auto parts scans for free and rents fuel gauge. you may need an adapter. also, check for a vacuum leak . it can be either one of these things, but this has to be done first. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Thursday, June 29th, 2017 AT 6:08 AM

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