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Home >> Geo >> 1993 >> Prizm Base, Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Overhaul - A-240 "E" & "L" Series >> Trouble Shooting >> Symptom Diagnosis >> No O/D-3 Downshift

No O/D-3 Downshift

Check No. 1 and No. 2 shift solenoid valve, VSS circuit, O/D cancel signal circuit, ECT ECU and 3-4 shift valve.