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Vacuum leak on 2000 Celica

Tiny
ARL
  • MEMBER
  • 2000 TOYOTA CELICA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 100,100 MILES
Would a vacuum leak on a 2000 celica cause engine performance to drop from 30MPG to less than 20?
Friday, January 28th, 2011 AT 1:39 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
That is possible. A vacuum leak would affect the idling speed and O2 sensors which would indicate a lean condition and inform the compuuter to enrich the running.
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Friday, January 28th, 2011 AT 1:56 PM
Tiny
ARL
  • MEMBER
  • 2 POSTS
Thank you so much for prompt response.
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Friday, January 28th, 2011 AT 3:40 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You're welcome.

Have a nice day.
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Friday, January 28th, 2011 AT 7:27 PM

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