Check engine light in a '87 - Saab 9000 Bulletin Board - Saabnet.com
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Check engine light in a '87
Posted by Stefano [Email] (more from Stefano) on Thu, 16 Oct 2003 15:26:32
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Hi all, I havea suspect but I need your advice to be sure. I have a check engine light on in my '87 Turbo, it's off when I turn on the key but it turns on as the engine cranks, then it's always on. The EDU readings about MPG are a steady 12.2 litres/100km, it doesn't change with gas position, and the average reading is getting close to it.
Since I have no O2 sensor, no cat converter, no MAP, no air temp pressure... I suspect it's the AMM. I run on LPG and my conversion kit doesn't need the AMM to run, so I use the car anyway. If I turn it to run on fuel, it's almost ok until 3k then it doens't want to go higher.
Can you confirm my diagnosys, or do you have other thoughts?
Thanks in advance
Stefano (Italy)
'87 9000T16
posted by 62.101.126...
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