Could Use Some Help With High Idle
10-31-2003, 08:54 PM
#1
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Join Date: Jul 2003
Location: Walnut Creek, CA
Posts: 90
ok the car will at 750 but i cant get it to stay at 750. when i let off the gas the car idles at 1200-1500 but if i slow the and hold the clutch out til about 800-900 it will idle at 800-900 depending on where i release the gas. any had this problem or know how to fix it? any thoughts on this topic would be helpful. 
10-31-2003, 10:23 PM
#2
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Join Date: Dec 2002
Location: Wayne, NJ
Posts: 4,837
youll want to clean the air bypass, i think 1300cc.com describes this.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
11-01-2003, 03:45 AM
#3
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Join Date: Jul 2003
Location: Walnut Creek, CA
Posts: 90
Originally Posted by teknics' date='Oct 31 2003, 10:23 PM
youll want to clean the air bypass, i think 1300cc.com describes this.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
11-01-2003, 08:04 AM
#4
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Join Date: Dec 2002
Location: Wayne, NJ
Posts: 4,837
Originally Posted by bacca' date='Nov 1 2003, 04:45 AM
[quote name='teknics' date='Oct 31 2003, 10:23 PM'] youll want to clean the air bypass, i think 1300cc.com describes this.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
check the TPS setting, check for a sticky dashpot, clean the throttle body itself.
and if all else fails do what i did and adjust the throttle position set screw or whatever its called, i dont think its meant to be adjusted but my car was wildly loud idling at 1500.
edit: honestly id just take the dashpot out all together to prevent misdiagnosing a broken one as working properly, i took mine out and nothing bad happened.
kevin.
grab the factory service manual (fsm) from fc3s.org or teamfc3s.org.
the dashpot is this little round thing with a plunger out the bottom that is by the throttle body and acts as a damper by slowing down the release of the throttle.
youll see it if you get the FSM, look in the parts index for dashpot then go to that page.
kevin.
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