2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Idle/Rev issue

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Old May 12, 2006 | 09:08 AM
  #1  
Tyblat's Avatar
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Hopeful Future
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From: Orlando, FL
Idle/Rev issue

Nothing major, but my S4 (87) GXL, when i blip the throttle at idle itl go up as normal, but then it wont settle back down to the 700-800 ish idle speed. stays a few hundred above that. (note, happens when car isnt warm).

anyone know what could be causing it...just more curious than anything.

oh, and MY CLOCK DOESNT WORK. anyone know what that might be?
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Old May 12, 2006 | 09:19 AM
  #2  
Aaron Cake's Avatar
Engine, Not Motor
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From: London, Ontario, Canada
Clock: Cold solder joints in the idiot light cluster/clock assembly.

Idle: The car should idle when cold at approximately 1500 RPM, which will drop to the stock 750 as the car warms up. If yours is getting "stuck", then you have a physical issue with the throttle body. Binding cable, sticking cold start cam, etc.
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