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you have to adjust the tps by loosing the screws and rotating it till it reads 0.50 volts [you need a scanner to do it]

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โˆ™ 2009-02-18 01:47:15
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Q: You have a 93 Buick Skylark with the 4 cylinder It codes throttle position sensor changed it twice changed idle air sensor and a used throttle body runs worse still codes throttle position sensor?
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