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 MANUALSCHEVROLET2002MONTE CARLO LSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM SELF-DIAGNOSTICS - 3.4LINSPECTION/MAINTENANCE PROCEDURESINSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURECONDITIONS FOR RUNNING (COLD START)
2002 Chevrolet Monte Carlo LS
Conditions For Running (Cold Start)
2002 Chevrolet Monte Carlo LSSECTION Conditions For Running (Cold Start)
Ensure vehicle meets the following conditions before performing procedure:
- Barometric pressure is greater than 19.2 in. Hg (65 kPa).
- Engine coolant temperature is less than 86°F (30°C).
- The Intake Air Temperature (IAT) is less than 90°F (32°C).
- The difference between IAT and ECT is 7°F (5°C) or less.
- Battery voltage is 10-18 volt
- Fuel level is 1/4-3/4 tank.
Test will initiate only after a cold start. A cold start is considered when engine coolant temperature is less than 35°F (2°C).
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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.