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 MANAGEMENTSERVICE PRECAUTIONSVEHICLE DAMAGE WARNINGSGENERAL SERVICE PRECAUTIONSCONTROL MODULE SERVICE PRECAUTIONS
2001 Chevrolet Metro L4-079 1.3L VIN 2 MFI
Control Module Service Precautions
2001 Chevrolet Metro L4-079 1.3L VIN 2 MFISECTION Control Module Service Precautions
The control module is designed to withstand the normal current draws that are associated with the vehicle operations. Avoid overloading any circuit. When testing for opens or shorts, do not ground any of the control module circuits unless instructed. When testing for opens or shorts, do not apply voltage to any of the control module circuits unless instructed. Only test these circuits with J 39200 Digital Multimeter (DMM), while the control module electrical connectors remain connected to the control module.
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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.