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Home >> Chevrolet >> 2000 >> Astro Van 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> CMP Retard
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CMP Retard

RANGE (0-90 DEGREES): The CMP retard indicates a correction to the CMP sensor and the CKP sensor relationship caused by small tolerance variations or component misalignment.
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