1999 Grand Prix Throttle Body. What you essentially do is make the car think it is a Grand Prix. Throttle Body Throttle Valve Assembly 38L Fits 05-09 ALLURE 208093.
Bring your vehicles fuel system back to its top shape with this top-notch part. 1999 Grand Am SE2. Advance Auto Parts has 27 different Throttle Position Sensor for your vehicle ready for shipping or in-store pick up.
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What you essentially do is make the car think it is a Grand Prix. Get answers to questions about your 1999 Pontiac Grand Prix at RepairPal. That is the overview from about a hundred feet back from the problem but you get the idea. With the passage of time the sensor will start to get worn and may eventually have to be replaced.