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Check engine light and raving itself.

Tiny
JOSEPH MWELWA
  • MEMBER
  • 2002 TOYOTA COROLLA
  • 1.1L
  • 4 CYL
  • FWD
  • AUTOMATIC
It started after doing engine services to days after the day of service
I experienced engine check light on and high raves on its on without pressing the accelerator pedal.
Monday, February 2nd, 2015 AT 1:55 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,871 POSTS
Idle speed that's too high is caused by a vacuum leak. Start by checking for a cracked or disconnected vacuum hose.

For the Check Engine light, the place to start is by having the diagnostic fault codes read and recorded. Many auto parts stores will do that for you for free.
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Monday, February 2nd, 2015 AT 2:23 PM

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