Failure to idle

Tiny
KELVIN FOX
  • MEMBER
  • 2001 LEXUS IS 300
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
The car is hard to start and it has intermittent idling, and it also some times does not idle.
Wednesday, April 26th, 2017 AT 12:19 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
Hello,

This sounds like classic vacuum leak which will cause the problems you ave described.

Please check out this guide.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run this test and get back to us so we can continue helping you.

Cheers, Ken

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Saturday, April 29th, 2017 AT 2:49 PM

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