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Home >> Toyota >> 1991 >> 4Runner 2D Utility, 3.0 V, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - V6 >> Code Charts >> Code 51 - Switch Signal >> Probable Causes:
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Probable Causes:

NOTE: Diagnostic chart not available from manufacturer.
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