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 MANUALSGEO1993PRIZM L4-1600CC 1.6L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTSFEDERAL
1993 Geo Prizm L4-1600cc 1.6L DOHC
Federal
1993 Geo Prizm L4-1600cc 1.6L DOHCSECTION Federal
1. Remove negative battery cable.
TP Sensor:
2. Disconnect throttle position sensor (TPS) electrical connector.
3. Loosen TPS attaching screws.
Feeler Gauge Installation:
4. Insert feeler gage between throttle stop screw and throttle lever.
TP Sensor Adjustment:
TP Sensor Resistance Specifications:
TP Sensor Resistance Specifications:
5. Using an ohmmeter, check for continuity between the terminals of the TPS according to specification in images above.
6. Rotate the TPS if necessary to adjust.
7. Tighten the TPS mounting screws.
8. Recheck the TPS continuity.
9. Reconnect TPS electrical connector.
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.