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The mkiv Supra Owners Club

Idle problems


Marty

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Got bit of a strange idle problem with the supe. Its only just started doing this in the last week, since the battery died, not that im convinced its linked, the ecu's had time to sort itself out etc.

Basically, it wont idle. I'll start it, and unless i hold the revs on with the throttle, it dies. Also, when i am holding the revs on using the throttle, it wont hold a constant rev, it constantly varies up and down +/- 500rpm.

Maybe an idle control valve issue? Also as i say, was fine last week.

Im still trying to sort out my afr's etc, but i dont think this could be the problem, its running a lil bit rich but staying above 11.5ish all the time.

Any ideas?

Ive done a bit of a search but cant find any similar problems

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Got bit of a strange idle problem with the supe. Its only just started doing this in the last week, since the battery died, not that im convinced its linked, the ecu's had time to sort itself out etc.

Basically, it wont idle. I'll start it, and unless i hold the revs on with the throttle, it dies. Also, when i am holding the revs on using the throttle, it wont hold a constant rev, it constantly varies up and down +/- 500rpm.

Maybe an idle control valve issue? Also as i say, was fine last week.

Im still trying to sort out my afr's etc, but i dont think this could be the problem, its running a lil bit rich but staying above 11.5ish all the time.

Any ideas?

Ive done a bit of a search but cant find any similar problems

 

I've had similar problems with my NA, was given this link by another member, hope it helps:

 

http://www.mkivsupra.net/vbb/showthread.php?t=67386&highlight=ICV

 

good luck with sorting it

:)

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ooh, thanks :thumbs:

I'll wip it off and have a look at it ;)

Gives me something to do today at least :D

 

If you look at Tlicense "blitz twin installation thread (im always recommending that thread :D ) he has a few pictures of the IAC and the correct orientation to refit the rubber gasket and little valve If you forget.

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