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Chevy Truck
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1993
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Astro Van L AWD V6-262 4.3L VIN Z
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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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Description and Operation
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Control Signals - Inputs
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1-2 Shift Time Error
1-2 Shift Time Error
This value represents the difference in the 1-2 shift time compared to the desired 1-2 shift time adapt tables which modify line pressure. With the ignition "ON" and before the first 1-2 shift, this valve will be 6.25 seconds.