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Most Common Codes
Random/Multiple Cylinder Misfire Detected
P0171System Too Lean (Bank 1)
P0420Catalyst System Efficiency Below Threshold (Bank 1)
P0301Cylinder 1 Misfire Detected
P0455Evaporative Emission Control System Leak Detected (Large Leak)
P0442Evaporative Emission Control System Leak Detected (Small Leak)
P0128Coolant Thermostat Below Thermostat Regulating Temperature
P0174System Too Lean (Bank 2)
P0172System Too Rich (Bank 1)
P0135O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0340Camshaft Position Sensor Circuit Malfunction (Bank 1)
P0401Exhaust Gas Recirculation Flow Insufficient
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