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1988 740 AMM adjustment with preheated tube. 700

posted by  Nahtanha on  Wed Dec 9 08:24 CST 2020
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last visit: Tue May 20 10:10 CST 2014
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Since the weather is getting colder I reconnected my Airbox preheater hose and now my car stumbles when I try accelerating WOT. My thoughts are that I need to re-adjust the AMM because of the introduction of preheated air. Last night temps were down to 32 degree, so I pulled the preheated hose off and now the car runs very strong when boosting the turbo. I also replace the preheater air flap activator. My thoughts are that the introduction of heated air changes the perimeters of the hotwire / ECU fuel control. Any thoughts on this ???






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