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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ENGINE CONTROLS - SELF-DIAGNOSTICS - 8.1L)DIAGNOSTIC TESTSDTC P0125: ENGINE COOLANT TEMPERATURE EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROLCODE ENABLE CRITERIA
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Code Enable Criteria
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Code Enable Criteria
WARNING: This page is about a different variant/trim than selected.
- DTCs P0101, P0102, P0103, P0112, P0113, P0117, P0118, P0500, P0502, P0503, P1111, P1112, P1114 or P1115 are not set.
- ECT is between -33°F (-36°C) and 104°F (40°C) at engine start-up.
- Intake Air Temperature (IAT) is greater than 19°F (-7°C).
- Vehicle speed is greater than 5 MPH for more than 0.5 mile.
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.