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What should i check after i replaced the egr valve on 2001 expedition and still get bad egr valve reading?
Wiki User
∙ 17y ago
check that the hose from egr valve is not clogged up. also disconnect battery for 5 or 10 minutes then reconnect battery. if problem is fixed on vehicle this will reset computer and remove the bad reading Oxygen sensor, jja
Wiki User
∙ 17y ago
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