Thread: Vacuum leak..
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Old 11-02-2012, 02:31 AM   #6
REDDYZ
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Join Date: Jun 2009
Location: Canberra
Posts: 479
Default Re: Vacuum leak..

Quote:
Originally Posted by thearrow
If you have a vacuum leak you can bet it will be the source of ALL your troubles.

Find the leak and you will be OK.

I sprung a leak one day on the Harbour Bridge and was lucky I wasn't killed.
I think over the period of time vacuum leaks are inevitable on cars. Unless you park your car in lockup garage all the time.

I know that theres vacuum leak on my kat as I can hear it and there is throttle hang as well. So, I tried to wiggle and later pulled all vacuum hoses to see if they are loose. One of the hoses didn't feel alright so, pulled it a just a bit hard and it came off. It was partly holding and partly off.

This was the culprit. The vacuum hose that was off.



It runs along firewall behind engine and connect to HVAC that is mounted on firewall. On some kats it is mounted in UIM. Its hard to see it and accessing it is far thing.



Fixed that hose and everything is back to normal. No throttle hang, no over revving, no leak sound. Reset the ECU so that it forgets that it use to and has to pump extra fuel.

What a relief... all happies now
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Ex Cougar - 00' MTX 2.5L (Limited edition Eibach Cougar); Dark Green Tourmaline; Lowered with Eibach tuned suspension from factory; SVT UIM, LIM & Throttle body; Supercat 2.5" dual exhaust with twin pipe quad outlets; Custom headers; Custom coloured instrument cluster; K&N Apollo CAI kit; Calibre oil catch can.

Now driving a Lexus RX 450h. Your guess is correct that I am a family man now.
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