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 MANUALSPLYMOUTH1993LASER FWD L4-1753CC 1.8L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE FULL CLOSE SWITCHADJUSTMENTS
1993 Plymouth Laser FWD L4-1753cc 1.8L SOHC
Throttle Full Close Switch: Adjustments
1993 Plymouth Laser FWD L4-1753cc 1.8L SOHCSECTION Adjustments
Closed Throttle Position Switch:
Caution: The Closed Throttle Position Switch should not be adjusted. Precise adjustments and setting were performed by the manufacturer. If the adjustment has been altered, readjust as follows.
1. Loosen the accelerator cable.
2. Loosen the Closed Throttle Position Switch locknut.
3. Loosen the Closed Throttle Position Switch until the throttle valve is fully seated in the closed position.
4. Connect an ohmmeter between the Closed Throttle Position Switch connector and ground.
5. Tighten the Closed Throttle Position Switch until the switch contacts close (the ohmmeter shows continuity).
6. Turn the Closed Throttle Position Switch 15/16 turn further (clockwise).
7. While holding the switch so it doesn't move, tighten the lock nut securely.
8. Readjust the accelerator cable tension.
9. Recheck the CURB idle speed and Throttle position sensor adjustment.
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.