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 MANUALSCHEVROLET1995ASTRO VAN CARGO, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - 4.3LTROUBLE CODE CHARTSCODE P1442, EVAPORATIVE SYSTEM VACUUM SWITCH STATIC TEST MALFUNCTION - "S" & "T" SERIES 4.3L (VIN W)NOTES
1995 Chevrolet Astro Van Cargo, RWD
Code P1442, Evaporative System Vacuum Switch Static Test Malfunction - "S" & "T" Series 4.3L (VIN W): Notes
1995 Chevrolet Astro Van Cargo, RWDSECTION Notes
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Verifies proper purge switch operation.
- Checks purge switch, diagnostic switch circuit and control module.
- Checks switch ground circuit and control module.
RENDER: 1.0x
NO RELATED
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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.