LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1987 >> Suburban 1/2 Ton 2WD V8-454 7.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Throttle Position Sensor >> Adjustments
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Position Sensor: Adjustments


The TPS is not adjustable. The ECM utilizes the reading at idle for the zero reading, therefore no adjustment is necessary.