Air Mass Meter adjustment-Not - Saab 9000 Bulletin Board - Saabnet.com
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Air Mass Meter adjustment-Not
Posted by RJ (more from RJ) on Sat, 2 Dec 2000 17:12:45
In Reply to: Air Mass Meter adjustment, Dan Poznanovic, Sat, 2 Dec 2000 15:35:12
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Forget about AMM ohm adjustment(It's not to be adjusted like that-Bad Info).The AMM is not used until steady state Warm engine condition are reached.You have a lean fuel mixture on a cold engine condition.The engine control maps for cold conditions are very good,general unless poor readings are obtained from the sensors.Fuel preasure is critical,when was your last fuel filter change.Also how clean are the fuel injectors,what does the spray pattern look like.Are there any large carbon deposits on the intake valves that would absorb fuel on a cold start and cause a lean condition. What is the ohm reading of the coolant temp sensor when cold(center of intake manifold below injectors). These things should be checked out first.
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