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Old 11-19-2004, 18:26   #1 (permalink)
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Idle problems

My ef xr6 is having idle problems.. When reving it will hold the revs at 2000rpm for a period of time then drop slowly... When I disconnect the sensor on the top of the throttle body it revs freely and drops as it should.
My understanding is that a car should rev freely and then drop rapidly...
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Old 11-20-2004, 03:40   #2 (permalink)
Two SC 61's = trouble
 
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Re: Idle problems

Clean isc...
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Old 11-20-2004, 04:06   #3 (permalink)
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Re: Idle problems

Quote:
Originally Posted by ebxr8240
Clean isc...
Is that another name for the IAC valve or something else?
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Old 11-20-2004, 23:07   #4 (permalink)
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Re: Idle problems

yep thats right

Give the ISC a clean, reset idle and it should be sweet
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Old 11-21-2004, 05:56   #5 (permalink)
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Re: Idle problems

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Originally Posted by SiX_iN_a_RoW
yep thats right

Give the ISC a clean, reset idle and it should be sweet
Do you have to reset idle when you clean the ISC? I'm planning on cleaning mine but don't know how to reset idle...
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Old 11-21-2004, 06:04   #6 (permalink)
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Re: Idle problems

Easy disconnect isc adjust idle screw, then put isc plug back on...
Check leads,plugs and cap....
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Old 11-21-2004, 22:30   #7 (permalink)
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Re: Idle problems

Quote:
Originally Posted by ebxr8240
Easy disconnect isc adjust idle screw, then put isc plug back on...
How do I find out which screw is the idle screw? How do I adjust it, run the engine then twist it to see if it idles faster/slower? How do I know I have the correct speed?

As I said, I have no idea when it comes to this... Thanks for any info.
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Old 11-22-2004, 00:25   #8 (permalink)
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Re: Idle problems

i cleaned my isc a whille ago and it made no difference at all. i didnt touch the idle but, how do u reset it?
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Old 11-23-2004, 01:10   #9 (permalink)
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Re: Idle problems

most throttle's are dsigned to be held open for a few seconds to reduce emmisions
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Old 11-23-2004, 02:51   #10 (permalink)
Two SC 61's = trouble
 
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Re: Idle problems

Yes thats what the isc motor does along with other things..
There is a long screw nr throttle body turn it clockwise and [count so you can return] the engine should idle faster..Rpm from memory around 650 / 700 rpm..There should be a sticker under bonnet showing rpm/ tune settings etc..
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.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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