Behnam
Proven Member
- 45
- 14
- Apr 15, 2020
-
Fredrikstad,
Europe
Anyone knows why my car is so unstable at idle?
4g63T 2g eclipse
4g63T 2g eclipse
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Anyone knows why my car is so unstable at idle?
4g63T 2g eclipseYou must be logged in to view this image or video.
did you take out the honey comb in the MAF?
clean the TB?
check all sensors and vaccum lines?
adjust the set screw on TB too much ?
However, how would removing the honeycomb do anything? Air would pass through as easily with or without it.
So this still proves my point that removing it wouldn't be the greatest idea.The honeycomb servers to straighten the airflow in front of the Karman sensor.
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Lmao sorry for late reply but this is what i ment!Picture please !
Lmao sorry for late reply but this is what i ment!
but isnt it weird that when i block that the engine cant idle, that's where the BOV is supposed to be recirculated to but it looks like your BOV is vented to atmosphere. Having a filter on there (the intake pipe) is a HUGE air leak that the MAF can't count. The vented BOV is also a problem.
that sounded kinda complicated im not really that experiencedYou need to recirculate the blow off valve back into the intake pipe, and then make adjustments to the BISS idle air screw to compensate. The turbo eclipses are not meant to vent to blow off into the atmosphere because that is metered air that the computer is factoring into the air fuel ratio.
Right i see so i should do like that and then fix the idle issue right?Take a look at how this BOV tube is routed - the BOV sits on the upper intercooler pipe. It is connected to the air intake pipe with a rubber hose. That's what you'll want to do with yours. Or, at least cap the air intake side. But it's ideal to do it as pictured. As for it dying when you cap it, you might have a whole bunch of other issues going on - air leaks in the system, etc.
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Yes. Here's an article on idle surge here:Right i see so i should do like that and then fix the idle issue right?
alright thanks!Yes. Here's an article on idle surge here:
https://www.dsmtuners.com/threads/how-to-fix-your-idle-surge-problem.191137/
and the link that was shared in post #2 above:
http://www.dsm.org/how-tos/tttt/tttt3.html
Follow all the tips in those pages. If you're not sure how, search for more info on each of them here. Lots of info on fixing idle issues.