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  1. CHEVROLET P1409

P1409 / MAZDA

EGR Vacuum Regulator Solenoid Circuit

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P1409 / JAGUAR

EVR Control Circuit Malfunction

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P1409 / GENERIC

EVR Control Circuit Malfunction

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P1409? / FORD

Electronic Vacuum Regulator Control circuit fault

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P1409? / FORD

EGR Vacuum Regulator circuit malfunction

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P1409 / BUICK

EGR Vacuum System Leak

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P1409 / AUDI

Tank Ventilation Valve Circ. Electrical Malfunction

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.