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In all probability not. If you have a check engine light on then you will need to have it scanned for codes. If the code shows a component, such as the TPS, it DOES NOT mean that is defective. It only means the problem lies in that area. That is what you pay a technician to let you know. It is cheaper to know what is the problem, than to throw parts at the car.

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Q: Will a faulty throttle position sensor cause rough idle?
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Related questions

Will a faulty throttle position sensor cause a problem when a transmission down shifts to first gear?

That is one possibility for that complaint


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