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throttle position switch functionality 200 1993

posted by  ronald on  Wed Dec 9 01:43 CST 2009
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last visit: Wed Oct 10 11:04 CST 2012
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Can anyone describe how the TPS is used to set air/fuel ratios? I understand that when you start the car the TPS will show closed at idle and make the idle air valve active in controlling idle, but what happens when you go off throttle while cruising at 50 mph, does the IAC become active and if so would a maladjusted IAC cause mixture problems at very low throttle position?

thanks,

Ron

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New throttle position switch functionality [200][1993]
posted by  ronald subscriber  on Wed Dec 9 01:43 CST 2009 >


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