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 MANUALSCHEVROLET1983CAVALIER CS, 2D COUPE, 2.0 B, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMTBI TESTS W/CODESTROUBLE CODE ID CHART
1983 Chevrolet Cavalier CS, 2D Coupe, 2.0 B, Automatic
Trouble Code Id Chart
1983 Chevrolet Cavalier CS, 2D Coupe, 2.0 B, AutomaticSECTION Trouble Code Id Chart
ECM TROUBLE CODE IDENTIFICATION
| Code | Circuit Affected |
|---|---|
| 13 | Open Oxygen Sensor Circuit |
| 14 | Coolant sensor circuit shorted/low voltage |
| 15 | Coolant sensor circuit open/high voltage |
| 21 | Throttle position sensor circuit open/low voltage |
| 22 | Throttle position sensor circuit open/high voltage |
| 24 | Vehicle speed sensor circuit |
| 33 | MAP sensor circuit voltage high |
| 34 | MAP-vacuum sensor circuit voltage low |
| 42 | EST by-pass circuit grounded/open |
| 43 | ESC retard signal too long |
| 44 | Lean oxygen sensor indication |
| 44 & 45 | At the same time, faulty oxygen sensor |
| 45 | Rich oxygen sensor indication |
| 51 | Faulty PROM or improper PROM installation |
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.