Date: Wed, 13 Oct 2004 10:47:34 GMT
From: hohnospamlid.invalid (Goran Larsson)
Subject: Re: 9-5 2.3lpt PCV/breather hose burst

In article <>, Richard Sutherland-Smith <> wrote: > Surely 9-5s do not have an AMM!! Are you suggesting that I don't know what I write about? > They stopped using them during the 9000 > run, Yes, the Trionic 5 engine management system used in the last model years of the Saab 9000 and ng900, and the first model years of the og9-3 did not have an AMM. Trionic 5 used a MAP sensor and temperature sensor to find out the air mass. However, that doesn't say anything about the Trionic 7 system used in the Saab 9-5 and later model years of the og9-3. Trionic 7 has both AMM and MAP sensors to determine air mass. > and I assume all this work is now done by the sensing plugs and the The spark plugs can't be used to sense air mass. -- G–ran Larsson

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