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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS SELF-DIAGNOSTICS - 5.0L & 5.7L)DIAGNOSTIC TESTSDTC P0125: EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROLCODE ENABLE CRITERIA
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Code Enable Criteria
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Code Enable Criteria
WARNING: This page is about a different variant/trim than selected.
- Engine is running.
- Minimum intake air temperature is -40°F (-40°C) or more.
- Engine Coolant Temperature is more than -40°F (-40°C).
- Start-up coolant temperature is less than 104°F (40°C).
- DTCs P0101, P0102, P0103, P0112, P0113, P0117, P0118, P1111, P1112, P1114, or P1115 are not set.
DTC sets when closed loop coolant temperature is not reached within a predetermined time. Maximum allowable time depends upon start up coolant temperature and amount of airflow into engine.
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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.