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Home >> Chevrolet >> 1990 >> Caprice Base, 5.7 7 >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - V8 >> Fuel System >> Throttle Position Sensor (TPS)
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Throttle Position Sensor (TPS)

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

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.