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i think 900 1993

posted by  darmstrong on  Tue Jul 1 01:20 CST 2008
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last visit: Sat Sep 13 12:21 CST 2014
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This is the kind of confirmation I was looking for, and why I posted the full details. Sometimes simple logic doesn't hold true, but if your experience has been that these results don't point to the cat, I'll look elsewhere.

I've always had a hard time doing the "definitive test" to prove or disprove that there are vacuum leaks. Just re-read the FAQ, and I guess I'll try Bruce's propane method, but I'd much prefer to be able to isolate sections and use pressure leakdown (that's how I did the turbo/intercooler tests).

Any thoughts on whether the failed tank pump may affect this?

I'll do the FAQ O2 sensor tests too, but I would have thought that this might also affect the HC and CO readings adversely. Simple and quick enough confirmation, regardless.

Thanks for the input,

David

--
David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto






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