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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1346 Or DTC P1351: Variable Valve Timing (VVT) Circuit Range/Performance Fault >> Diagnosis & Repair

Diagnosis & Repair

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

Check valve timing. Check for loose, stretched or jumped teeth of timing belt. See appropriate article in ENGINES. Repair as necessary. If valve timing and timing belt are okay, replace ECM.

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