P1xxx

GM Code car problem P1420

Intake Air Low Pressure Switch Circuit Low Voltage

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GM Code car problem P1418

Secondary Air Injection System Relay ‘A’ Control Circuit High

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GM Code car problem P1416

Secondary Air Injection System Bank 2

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GM Code car problem P1415

Secondary Air Injection System Bank 1

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GM Code car problem P1410

Fuel Tank Pressure Control Solenoid Circuit Conditions

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GM Code car problem P1409

EGR Vacuum System Leak

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GM Code car problem P1408

Intake Manifold Pressure Sensor Circuit

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GM Code car problem P1407

EGR Air Intrusion in Exhaust Supply to EGR Valve

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GM Code car problem P1406

Exhaust gas recirculation (EGR) valve position sensor range performance

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GM Code car problem P1405

Exhaust Gas Recirculation Error (EGR Solenoid 3) Conditions

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