1998 GS 300 Lexus is periodically stalling or losing power but fuel rail system and fuel pump check says no problem. The loss of power seems to happen when the engine has been idling and driving slow speeds for 3-4 hours (sort of like mail truck delivery). Any suggestions?

Asked by Sep 11, 2019 at 04:12 PM about the 1998 Lexus GS 300

Question type: Maintenance & Repair

1998 GS 300 Lexus is periodically stalling or losing power but fuel rail system
and fuel pump check says no problem. The loss of power seems to happen
when the engine has been idling and driving slow speeds for 3-4 hours (sort of
like mail truck delivery). Any suggestions?

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