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 MANUALSCHEVROLET2001MONTE CARLO V6-3.4L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONPOWERTRAIN CONTROL MODULE (PCM)SERVICE ENGINE SOON/MALFUNCTION INDICATOR LAMP (MIL)
2001 Chevrolet Monte Carlo V6-3.4L VIN E
Service Engine Soon/Malfunction Indicator Lamp (MIL)
2001 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Service Engine Soon/Malfunction Indicator Lamp (MIL)
The Service Engine Soon/Malfunction Indicator Lamp (MIL) is located in the Instrument Panel (IP) Cluster. The MIL is controlled by the PCM and is used to indicate that the PCM has detected a condition that affects vehicle emissions, may cause powertrain damage, or severely impacts driveability.
MIL Operation
The Malfunction Indicator Lamp (MIL) is located on the instrument panel and is displayed as CHECK ENGINE lamp.
MIL Function
^ The MIL informs the driver that a malfunction has occurred and the vehicle should be taken in for service as soon as possible
^ The MIL illuminates during a bulb test and a system test
^ A DTC will be stored if a MIL is requested by the diagnostic
MIL Illumination
^ The MIL will illuminate with ignition ON and the engine OFF
^ The MIL will turn OFF when the engine is started
^ The MIL will remain ON if the self-diagnostic system has detected a malfunction
^ The MIL may turn OFF if the malfunction is not present
^ If the MIL is illuminated and then the engine stalls, the MIL will remain illuminated so long as the ignition switch is ON.
^ If the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition switch is cycled OFF, then ON.
MIL Operation
The Malfunction Indicator Lamp (MIL) is located on the instrument panel and is displayed as CHECK ENGINE lamp.
MIL Function
^ The MIL informs the driver that a malfunction has occurred and the vehicle should be taken in for service as soon as possible
^ The MIL illuminates during a bulb test and a system test
^ A DTC will be stored if a MIL is requested by the diagnostic
MIL Illumination
^ The MIL will illuminate with ignition ON and the engine OFF
^ The MIL will turn OFF when the engine is started
^ The MIL will remain ON if the self-diagnostic system has detected a malfunction
^ The MIL may turn OFF if the malfunction is not present
^ If the MIL is illuminated and then the engine stalls, the MIL will remain illuminated so long as the ignition switch is ON.
^ If the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition switch is cycled OFF, then ON.
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.