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.
SYS.OK|MANUAL.DB● LIVE
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 SYSTEMSECT
1999 Chevrolet Metro L4-079 1.3L VIN 2 MFI
ECT
1999 Chevrolet Metro L4-079 1.3L VIN 2 MFISECTION ECT
Scan Tool Range -40°C to 120°C (-40°F to 250°F). The ECT sensor is a thermistor that changes internal resistance as temperature changes. The PCM monitors a high signal voltage when the sensor is cold (internal resistance high) and interprets that voltage as a cold engine. The voltage signal decreases as the sensor becomes warm (internal resistance decreases) and the PCM interprets the lower voltage as a warm engine.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.