Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1982CABALLERO BASE, 3.8L ENG VIN K, TRANS MFR CD 250C/M31REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSCOMPUTER COMMAND CONTROLOPERATIONDATA SENSORSTHROTTLE POSITION SENSOR (TPS)
1982 GMC Caballero Base, 3.8L Eng VIN K, Trans Mfr CD 250C/M31
Throttle Position Sensor (TPS)
1982 GMC Caballero Base, 3.8L Eng VIN K, Trans Mfr CD 250C/M31SECTION Throttle Position Sensor (TPS)
This sensor is mounted on the carburetor or throttle body unit. The sensor, a variable resistor similar to fuel tank sending unit, signals ECM of changes in throttle blade position from closed to wide open throttle.
NOTE:
The 2.8L engine with manual transmission uses a vacuum sensor for fuel enrichment.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.