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Jor33dan

By Jor33dan,
in Western Australia

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Psyrus Contributor

Psyrus

Posted
Posted
Vaccum leak.. check all the little hoses under the throttlebody.

At my last service my throttlebody was removed and cleaned and it fixed up that exact issue, so it's probably what bubba said, but I've heard a lot of people point to bov issues...

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stormtrooper Proficient

stormtrooper

Posted
Posted
i had a similar issue where when it would drop, it would drop straight down the stall, or bounce a bit at 500rpm and die or go back to normal idle, what i did was increase the idle revs and that solved it

Mine was doing this for a while. Mainly when it was up to normal operating temp. Would be sitting at the lights idling, idle would start hunting and boost guage flapping around too of course, then if I gave throttle a stab it'd settle down, but if I didn't it'd stall. Ended up being intake manifold gasket.

While you're at it with the carby cleaner on the AFM, have your car idling (if possible) and spray a bit of the carby cleaner around your intake manifold and if your car's rev's suddenly pick up, could have a leak. Otherwise, scratch another possibility off the list :thumbsup:

Good luck.

-Chris

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bubba Grand Master

bubba

Posted
Posted

Yeah my money is still on a vaccum leak.. the common areas to look for the leak are vaccum hoses (there are some fiddly little ones under the throttlebody, I had one that kept popping off giving me the same symptoms the OP is quoting), throttlebody gasket, intake manifold gasket (between the halves).

As stormy suggested, get the carby cleaner out and start spraying.

As others have suggested it could be fuel pump/filter related, particularly fuel pump if you still have the stocker with the variable voltage feed.

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strongarm Enthusiast

strongarm

Posted
Posted

Hey mate i had the exact same thing for awhile, was very dangerous especially when car would cut out while going around corners meaning no power steering or even brakes as these all depend on the car being on. It only started happening after i put a BOV on and had a custom Stainless steel Air intake pipe installed that replaced the original rubber piping. The rubber piping is designed with contour design that helps prevent air being forced back out the wrong way. So when my foot was down it would suck in air as it should past the AFM than the moment i remove my foot the left over air would rush back down the pipe causing the AFM to think something arong and causing the car to stall.

I was also told it may be a BOV issue but i had a small almost reverb cone installed inside the pipe and since than i have not had any problems since. Not that costly and helped.

Good luck with your problem mate im sure you will find the exact cause of your problem on here soon.

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Psyrus Contributor

Psyrus

Posted
Posted (edited)

By the way a temp fix is to always blip the throttle a bit when going into neutral, well it was for me anyway... Sometimes needed two blips but didn't ever fully stall after I found that out :(

Edited by Psyrus
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