Symptoms & Problems
Cold-Start Rough Running with P0300–P0306 (RX 450h Bulletin Pattern)
A standardized, source-scoped problem pattern: rough initial running after cold soak and/or specified misfire DTCs on applicable RX 450h vehicles.
Make directory
Lexus
Reviewed automotive references classified under this controlled term.
Vehicle Database
2010–2017 Lexus RX 450h 2GR-FXE (US Bulletin Scope)
Vehicle applicability record for the US-market scope of Lexus bulletin L-SB-0045-12 Rev1; it is not a universal fitment claim.