idle problem fixed and new problem :) - Saab 900 Bulletin Board - Saabnet.com
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idle problem fixed and new problem :)
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Posted by ROSS (more from ROSS) on Wed, 6 Jun 2001 20:57:34 Share Post by Email
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'88 900 base 8V w/ CIS Fixed an idle problem (starts fine cold, but when warm, starts and then rpm dives to 500 then back up to 900 and everything's OK except poor perf. below 2k rpm. Problem: MIXTURE was WAY too rich
New problem: idles poorly w/ Oxygen sensor plugged in. "Duty cycle" fluctuates 38-52% Any thoughts? Fuel injectors? No vacuum leaks, new oxy sensor, new plugs, wires, cap rotor etc.


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