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What does code p402 mean on a 1997 ford explorer?

Anonymous

∙ 17y ago

Updated: 12/12/2022

Trouble code PO402 is a generic (all car makes) code meaning "Exhaust Gas Recirculation- Excessive Detected". It means that the computer detected an abnormal or unexpectedly high rate of air flow in the exhaust gas recirculation emissions system.

Wiki User

∙ 17y ago

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