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 MANUALSCHEVROLET1982SUBURBAN K10, 6.2L ENG VIN CREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMDELCO-REMY HIGH ENERGY IGNITIONTESTINGELECTRONIC SPARK CONTROL (ESC) TESTINGPOOR ENGINE PERFORMANCE PROBLEMS
1982 Chevrolet Suburban K10, 6.2L Eng VIN C
Poor Engine Performance Problems
1982 Chevrolet Suburban K10, 6.2L Eng VIN CSECTION Poor Engine Performance Problems
- Disconnect 4-pin connector at distributor, and install a jumper wire between pins "A" and "C" of distributor connector. If problem remains, check other causes of poor engine performance.
- If problem disappeared, remove jumper wire and reconnect 4-pin connector. Without disconnecting 10-pin ESC connector, attach jumper wire from pin "A" to pin "B". If problem remains, proceed to step 5).
- If problem disappeared in step 2), remove jumper wire and disconnect 10-pin connector at controller. Connect ohmmeter leads to pins "B" and "K". Resistance should read 175-375 ohms. If OK, check for engine noises other than detonation that might cause input to sensor.
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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.