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Throttle Position Sensor (TPS) Buick Estate Wagon

Note. On 4-cylinder models, TPS is not adjustable. For further testing, refer to SELF-DIAGNOSTICS article in this section.

Application(1) Voltage
4.5L (VIN 3).48-.53
5.0L (VIN E & F)(2)
5.0L (VIN Y).40
5.7L (VIN 7).50
5.7L (VIN 8)(2)
(1) At idle RPM. (2) Not adjustable.
(1)At idle RPM.
(2)Not adjustable.

TPS ADJUSTMENT VOLTAGE