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Chevy Truck
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1996
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Astro Van M V6-4.3L VIN W
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Specifications
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Idle Speed Specification
Idle Speed Specification
Controlled by an Idle Speed Control (ISC) motor or an Idle Air Control (IAC) valve.