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 MANUALSCHEVROLET1993ASTRO VAN L AWD V6-262 4.3L VIN W CPIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILTESTING AND INSPECTION
1993 Chevrolet Astro Van L AWD V6-262 4.3L VIN W CPI
Ignition Coil: Testing and Inspection
1993 Chevrolet Astro Van L AWD V6-262 4.3L VIN W CPISECTION Testing and Inspection
Fig. 11 Testing remote ignition coil:
Note Make sure the ignition switch is "OFF".
1. Disconnect the distributor lead and wiring from the ignition coil.
2. Connect a suitable ohmmeter as shown in step 1. Use the high scale. The reading should be infinite. If not, replace coil.
3. Connect ohmmeter as shown in step 2. Use the low scale. The reading should be very low or zero. If not, replace coil.
4. Connect ohmmeter as shown in step 3. Use the high scale. The meter should not read infinite. If it does, replace coil.
5. Reconnect the distributor lead and wiring from the ignition coil.
RENDER: 1.0x
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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.