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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - Self-Diagnostics - 1.8L - Ca) >> Diagnostic Tests >> DTC P0405 Or DTC P0406: EGR Temperature Sensor >> DTC Confirmation Test "A"

DTC Confirmation Test "A"

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction is detected when EGR temperature sensor voltage is low when engine coolant temperature is low. Possible causes are:

Connect Scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. Using scan tool, check engine coolant temperature. Ensure engine coolant temperature is less than 122°F (50°C). Start engine and let idle for at least 8 seconds. If a first trip DTC is retrieved, perform DIAGNOSTIC PROCEDURE  . If DTC is not set, go to next confirmation test.

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