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Re: 1995 900S Check Engine and code reading issues.
Posted by 20years (more from 20years) on Wed, 28 Feb 2007 17:17:30
In Reply to: Re: 1995 900S Check Engine and code reading issues., mikejavo
[Profile/Gallery]
, Tue, 27 Feb 2007 08:12:00
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One other thing. I don't have wis at home right now, but a rich mixture is a lot less common than a lean mixture. I think weak o2 sensors usually read lean. For some reason the sensor is reading so much unburnt fuel in the exhaust that the computer has reached it's limit of injector opening time reduction. Possible causes are several; leaking fuel pressure regulator, but that would cause drivability issues too in most cases; high fuel pressure which is unlikely; injector not sealing when it's supposed to be closed; darn, I know there is something else and if I think of it I'll get back to you. The mind goes.
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