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 G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 234 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TESTSDTC P0507: IDLE CONTROL SYSTEM - HIGH RPMCONDITIONS FOR RUNNING DTC
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Conditions For Running DTC
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Conditions For Running DTC
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0335, P0336, P0340, P0341, P0385, P0386, P0401, P0403, P0404, P0405, P0440, P0442, P0443, P0446, P0449, P1106, P1107, P1111, P1112, P1114, P1115, P1121, P1122, P1336, P1372, P1404, and P1441 are not set.
- The Engine Coolant Temperature (ECT) sensor is more than -40°F (-40°C).
- The Intake Air Temperature (IAT) sensor is more than -1°F (-18°C).
- The Ignition 1 Voltage parameter is 10.5-18.0 volts.
- The Barometric (BARO) pressure sensor is more than 65 kPa.
- The Engine Run Time parameter is more than 40 seconds.
- The transmission gear state has not changed for 3 seconds.
- The Torque Converter Clutch (TCC) state has not changed in 3 seconds.
- The Throttle Position (TP) sensor angle is less than 1.5 percent.
- The spark advance is less than 12.39 degrees.
- The Knock Retard parameter is more than -13.79 degrees.
- The Vehicle Speed Sensor (VSS) is less than 1.9 MPH.
- The above conditions are met for more than 3 seconds.
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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.