1997 Toyota Corolla

1997 TOYOTA COROLLA
80,000 MILES • 4 CYL • 2WD • MANUAL
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TAGALOG09
  • MEMBER
  • 1 POST
when my engine is idle at 1000 rpm and as soon as i switch on the a/c my engine idles at 900rpm. how can i correct that? instead of idling up when the a/c is on, the idling goes down
Nov 24, 2009 at 2:16 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
First check the compressor/clutch and bearing, it may be a bad compressor.

Disconnect AC clutch electrical connector, then turn AC on, if idle increases, then most likely it is compressor.
May 9, 2017 at 6:21 AM
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