3S-GTE USDM Turbo Engine Troubleshooting after alternator replacement [Archive] - Toyota MR2 Message Board

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Hi all, Hoping I can get some help troubleshooting on my car. Longtime member on the old message board under a different handle but have not posted in years. Car is a 1991 turbo with ct20b, downpipe, exhaust, fcd, ebc, intake. Has needed an alternator replacement for some time; car has not been regularly driven in years but has been started and run every few months. Car had the oil and battery lights lit up while on, and would not stay running for more than a few hours at at time, which