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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0440 & DTC P0442 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

Ask customer if fuel tank cap has been left off or not completely tightened recently. This may cause DTC to be set. Using scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.

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