Urban7120 Posted September 10, 2021 Share Posted September 10, 2021 2007 Lexus SC430 123000 miles. Has poor / sluggish throttle response at times will not accelerate from 15 to 60. Recently replaced water pump, timing belt, and 3 rear coil packs. And spark plugs Quote Link to comment Share on other sites More sharing options...
Bykfixer Posted September 11, 2021 Share Posted September 11, 2021 Try putting a bottle of system cleaner like BG or Sea Foam as it may be as simple as the ethanol residue has built up in the fuel induction system. Quote Link to comment Share on other sites More sharing options...
Cavecat Posted September 27, 2021 Share Posted September 27, 2021 04 sc430 replaced MAF sensor $19.95 on eBay Toyota part. Running fine since. Quote Link to comment Share on other sites More sharing options...
RB48 Posted November 22, 2023 Share Posted November 22, 2023 Order the throttle controller from sc430mod.com. Plug and play install and the sc now runs like a sports car. About $100. Quote Link to comment Share on other sites More sharing options...
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