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Gs300 Hesitation Upon Acceleration

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My 2001 GS300 just started to hesitate when taking off from a start, it is the worst @ 2k rpm the check engine light just came on along with the vsc light it is also happening while at speed but at 2k rpm also.

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Resolution: Replace your air intake resonator (Lexus P/N: 1786046142) - $125.25

Go to : www.oemtoyotascionparts.com

Search for "Air Intake for 2003 Lexus GS300 - OEM Toyota parts"

This will fix your problem. The problem is due to the resonator has developed cracks near bottom (near the heat shield). It is allowing too much air into the throttle body. Basically, the plastic has detoriated and is allowing too much unmetered air into the system.

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