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Old 04-01-2015, 12:48 PM   #1
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Question stalling at low rpms 1993 buick century

I have a 1993 buick century that has started stalling intermittently. Sometimes it'* coming to a stop, sometimes it'* starting from a stop. It tends to happen after some freeway driving. It was stalling before and I replaced the torque clutch converter solenoid. This seems different anyway. When I replaced that it was always stalling after coming off the freeway. It was fine after I did that until now. Thanks for any insight!
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Old 04-01-2015, 06:10 PM   #2
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Well, I cleaned the throttle body which was super gunked up and mass air flow stuff. Started it up and drove for about an hour both on the free way and stop and go traffic. So far so good! It'* my husbeast'* commuter so I don't really drive it too often. I'll update once I know if it'* really fixed or not!
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Old 04-01-2015, 07:09 PM   #3
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If for any reason, you disconnected the battery, it'* possible this year ECM, might have needed an Idle learn procedure.......cleaning the throttle body, IAC passage and Pintle, are all part of the idle learn procedure(disconnecting the battery and basically running it in drive, with foot on the brake until, normal operating temp is achieved)...
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Old 04-01-2015, 07:14 PM   #4
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I did replace the battery back in February but it had been idling kind of odd for a good long time. Good to know though! So I basically did the idle learn procedure as well then? Maybe? I did start it, let it run for a few minutes then took off for a test drive. I'd been driving it earlier in the morning so I didn't really let it run for very long before I went.
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