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1986 Toyota Corolla My Idle Issues

Tiny
HARRY516
  • MEMBER
  • 1986 TOYOTA COROLLA
Engine Performance problem
1986 Toyota Corolla 4 cyl Front Wheel Drive Manual

My Corolla has a new motor from japan, OEM replacement. A Toyota Re-manufactured Carburetor, new vacuum lines, new air filter, new spark plugs & wires as well as a new distributor cap. My issue is the it as a really high idle after warm up. Without a tach, I would say it would be around 1200 rpm with thermostat bypass (the hottest setting), and 1400 rpm w/o bypassing the thermostat (set to the coldest setting). The car had sat for 5 months after all the new parts, with low to no gas in the tank. Upon start-up, 5 months later, fresh premium gas and now my problem. What could be making this happen. Please Help!
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Monday, August 23rd, 2010 AT 12:41 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
The carburetor should have an idle speed adjustment.
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Monday, August 23rd, 2010 AT 1:15 PM
Tiny
HARRY516
  • MEMBER
  • 2 POSTS
It does have the adjustment screw, it has no effect on the idle. Only when I disconnect a vacuum hose to the choke flap diaphragm. Any other ideas? Please Help!
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Monday, August 23rd, 2010 AT 1:27 PM
Tiny
WRENCHTECH
  • MECHANIC
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All that linkage has top be set up correctly. Just find someone that knows how to set up a carb and they should be able to straighten it out. It's just adjustment issues.
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Monday, August 23rd, 2010 AT 1:46 PM

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