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Replace engine with used and now RPM's are high

Tiny
THAVORN PHAENGPHAN
  • MEMBER
  • 1999 TOYOTA TACOMA
  • 3.4L
  • V6
  • 4WD
  • MANUAL
  • 180,000 MILES
I have replaced the engine with a used one. Everything works good on it but it is just the rpm is high 2000 rpm in fifth gear going about fifty mph. And normally it is 2000 rpm at sixty mph when the old motor was on. And I am just looking for what can be the problem. Thanks
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Wednesday, March 8th, 2017 AT 4:01 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure with a gauge as well as look for a vacuum leak first. you may need a professioanl to scan it with his scanner as it may be something auto parts ones cannot read.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Thursday, March 9th, 2017 AT 6:11 AM

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