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 MANUALSCHEVROLET1999METRO L4-079 1.3L VIN 2 MFIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS - POWERTRAIN SYSTEMSFUEL CUTOFF SIGNAL
1999 Chevrolet Metro L4-079 1.3L VIN 2 MFI
Fuel Cutoff Signal
1999 Chevrolet Metro L4-079 1.3L VIN 2 MFISECTION Fuel Cutoff Signal
The Fuel Cutoff Signal parameter indicates when the PCM is operating the fuel injector in the fuel cutoff mode (the output to the fuel injector is stopped). When the fuel cutoff mode is active the Fuel Cutoff Signal parameter should read ON. The Fuel Cutoff Signal parameter should read OFF during all other fuel modes.
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.