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 MANUALSCHEVROLET1996CHEVY VAN G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - G SERIES (GASOLINE)DIAGNOSTIC TROUBLE CODESDTC P0101 - MAF SENSOR SYSTEM PERFORMANCEDTC WILL SET WHEN THE FOLLOWING CONDITIONS ARE PRESENT
1996 Chevrolet Chevy Van G3500, Van Cargo, 6.5 F
DTC will set when the following conditions are present
1996 Chevrolet Chevy Van G3500, Van Cargo, 6.5 FSECTION DTC will set when the following conditions are present
- Engine is running.
- No TP sensor DTCs are set.
- No MAP sensor DTCs are set.
- No EVAP DTCs are set.
- EGR DTC P0401 is not set.
- MAF DTCs P0102 or P0103 is not set.
- System voltage is greater than 10 volts but less than 17 volts.
- Canister purge duty cycle is less than 99 percent.
- Change in throttle position is less than 3.9 percent.
- EGR duty cycle is less than 89.9 percent.
- EGR pintle position is less than 89.9 percent.
- Engine vacuum is less than 90 kPa.
- Throttle position is less than 89.8 percent.
- Listed conditions are met for greater than 2 seconds.
- Change in MAF sensor is greater than a calculated value.
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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.