Engine sounds like its running way too hard when driving forty mph

Tiny
TAMMY M. KOLLN
  • MEMBER
  • 1997 TOYOTA TERCEL
  • 4 CYL
  • FWD
  • MANUAL
  • 180,000 MILES
When driving forty mph and up the engine sounds like its running way too hard. No check engine or any other lights. When driving up a hill at the above referenced mph there is significant power loss. I can be going sixty mph and up a hill speed will drop to forty mph.

Regular oil changes, all fluids are fine. I love no idea when a tuneup was last done.

Otherwise I have owned the vehicle for six years with zero repairs or issues.
Saturday, May 27th, 2017 AT 8:20 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure with a gauge , auto parts rent it , may have low fuel pressure causing problem. see link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Sunday, May 28th, 2017 AT 8:25 AM

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