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89+ european 9000's w/ LH2.2 + DI/APC but no O2
Posted by Ubipa (more from Ubipa) on Sat, 25 May 2002 11:04:02
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9000 2.0T, 9000 S 2.0T, 9000 SE 2.0T, 9000 Carlsson 2.0T, CD 2.0T, CDE 2.0T, CDS 2.0T.
From some links I've found, it appears that there are some European 9000's from 89+ that are running LH2.2 fuel injection w/ DI/APC but no Oxygen sensor. From the the LH2.2 pin codes, a DI/APC signal actually replaces the O2 signal position. The DI/APC judges enrichment and leaning based on preignition and knock, reducing fueling for preign and increasing fueling for knock. Is this true? Does anyone on this board have such a car? It amazes me because it kinda seems the fuel injection system bases it self on performance instead of conservation. If someone here does own such a car, how does it run on and off boost? Have you ever monitored the A/F to see the performance of the fuel injection system setup this way? Also could you tell me the X XXX XXX XXX part number of the LH2.2 ECU it uses?
posted by 4.40.36...
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yes, makes sense, however..., steve, Sat, 25 May 2002 11:03:13
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Load based system,,, KeithR, Sat, 25 May 2002 11:19:53
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