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2002 Lexus ES300

Question: My check light went on; car hesitated then lunged forward.

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Visitor, 3.0L V6, Carlsbad, CA, March 16, 2010, 17:57

I was in a parking lot I turned on the engine and the car hesitated then lunged forward. The check light went on. it was towed. Dealer: accelerator sensor needs replacement and my battery is weak. I had it servised 60,000 miles 2 months ago.

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, March 16, 2010, 22:34
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    Did they mean throttle position sensor (TPS) ? A bad TPS will cause a hesitation on gentle acceleration and may effect "fuel cut" which in turn effects fuel economy. If it is the original Lexus battery which it very may well be it is 8 years old and is due replacement. Most batteries last about 3 to 5 years I have seen many original Lexus batteries last 8 years.

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