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 MANUALSCHEVROLET2001METRO L4-079 1.3L VIN 2 MFIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTRANSMISSION POSITION SENSOR/SWITCHDESCRIPTION AND OPERATION
2001 Chevrolet Metro L4-079 1.3L VIN 2 MFI
Transmission Position Sensor/Switch: Description and Operation
2001 Chevrolet Metro L4-079 1.3L VIN 2 MFISECTION Description and Operation
The transaxle range switch is located on the automatic transaxle. The Powertrain Control Module (PCM) detects the transaxle range by monitoring the ON and OFF signals from the transaxle range switch. The PCM uses the transaxle range switch signal as one of the inputs in order to control the fuel injectors, the Idle Air Control (IAC) valve, and the automatic transaxle performance.
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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.