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P0402 Diagnostic Trouble Code Discussion for April 2005

EGRC-BPT Valve Function

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Trouble Ticket Help Requests for DTC P0402
Help Request Posted
1997 Ford Taurus GL 3.0L idle high VIN: 1FALP52U5V
P0402: egr excessive flow. Intermittent high idle approx. 1600rpm. no check engine light. iac code may have been caused by unplugging when running. applied vacuum to egr when engine idle was normal and engine wants to die. Normal operation. While engine idle was high, unplugged iac and ...
April 25, 2005