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Pontiac
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1990
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Grand Prix V6-191 3.1L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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440-T4, (4T60/4T60-E) Automatic Transaxle
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2ND Gear Starts
2ND Gear Starts
1. Incorrect oil pressure.
2. 1-2 shift valve stuck.
3.
Governor
weights stuck.
4. 1-2
throttle valve
bushing retainer installed too deep.