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 MANUALSCHEVROLET1995SPORTVAN G20, 6.5 PREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 14 (ENGINE CONTROLS - TESTS W/CODES - 7.4L)TROUBLE CODE CHARTSCODE 44, LEAN EXHAUST INDICATIONNOTES
1995 Chevrolet Sportvan G20, 6.5 P
Code 44, Lean Exhaust Indication: Notes
1995 Chevrolet Sportvan G20, 6.5 PSECTION Notes
WARNING: This page is about a different variant/trim than selected.
Sensor acts like an open sensor circuit and produces no voltage when exhaust temperature is less than 600°F (316°C). An open sensor circuit or cold sensor causes "open loop" operation.
NOTE:
Test numbers refer to test numbers on diagnostic chart.
- Code 44 sets when O2 sensor signal remains low for a precalibrated period and system is operating in "closed loop".
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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.