Buick Century EGR Valve Sensor

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2001 Buick Century 3.1 Codes P403 & P405

2001 BUICK CENTURY

Dtc Is P403 & P405. Engine Lacks Acceleration Power But Will Motor Along At Low Throttle Position And Even Gain Speed To About 68 Mph Total...

1 ANSWER

Asked by gcheris

1998 BUICK CENTURY

I Replaced The Egr Valve Due To A Reading On A Dianostic Tester That Said Insufficient Air Flow Egr Valve That Did Not Work I Also Cleaned...

1 ANSWER

Asked by cswoodco

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