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740T w/ LH 2.2 deceleration surging; how to fix? 700 1989

posted by  someone claiming to be philip bradley on  Mon Apr 21 02:07 CST 2003 [RELATED]

My 89 745T has LH 2.2. I am tuning it after installing a "built" motor, so I have changed a lot of internal and external parts and may not have it all sorted out. On deceleration sometimes, meaning when my foot is off the gas, the rpm will surge a few hundred rpm up and down. I suspect this is in the TPS (really on/off) switch. I have adjusted it so that it clicks when the throttle is opened. Could my injector cut off on deceleration be malfunctioning? How do I test this?

Thanks,

Philip Bradley
pbonsalb@juno.com






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