LEMON Manuals
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Toyota
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1991
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4Runner 2D Utility, 3.0 V, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - V6
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Code Charts
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Code 52 - Knock Sensor Signal
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Probable Causes:
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Probable Causes:
Knock Sensor or Sensor Circuit
ECU
NOTE:
Diagnostic chart not available from manufacturer.