Operation CHARM
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Isuzu
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1992
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Pickup 2WD L4-2.3L (4ZD1)
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Detonation
Detonation
Check
EGR
operation and
vacuum switch
circuit.
#4 - Idle Switch and Map Sensor Circuit Check