Re: You have a giant vacuum leak..... - Saab 900 Bulletin Board - Saabnet.com
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It can be surprisingly bad and completely stealth. Sometimes
showing up only under vacuum.
One tool I learnt about on another forum- search 'vacuum leak smoke test.'
Basically you're using pressurized smoky air to test everything-
if there's a leak, 'the smoke gets out.'
But it sounds like you have a gross failure- disassembly ought to find it.
Checking other basics- fuel pressure especially- is never time wasted, tho.
I spent a long time troubleshooting around a broken distributor rotor, once.
t
_______________________________________
what do you mean, the engine's in backwards?
Posts in this Thread:
- Engine running very poorly with mystery problems, DaleG, Fri, 27 Aug 2021 15:07:00
- Re: Engine running very poorly with mystery problems, Goblin , Fri, 3 Sep 2021 19:08:17
- Mystery problems continue, DaleG, Fri, 3 Sep 2021 11:19:28
- Re: Engine running very poorly with mystery problems, Name Left Blank, Thu, 2 Sep 2021 04:25:15
- Re: Engine running very poorly with mystery problems, ursusskandia , Sun, 29 Aug 2021 23:54:37
- You have a giant vacuum leak....., jimmy, Fri, 27 Aug 2021 15:27:09
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