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.
1983 Chrysler ImperialFACTORY OEM SERVICE PROCEDURE
Combustion Control Computer: Adjustments: Auto-Calibration
NOTE:
Whenever computer is replaced, auto-calibration procedure must be performed to allow computer to adjust to vehicle conditions.
- Start and run engine until normal operating temperature is reached. If engine is already warm, idle for at least 90 seconds to allow timer to run out.
- Increase speed to 2000-2500 RPM and hold constant for at least 90 seconds. Reduce engine speed to idle and allow to idle for at least 150 seconds.
- Repeat step 2) once more so computer can verify initial calibration. Procedure is now complete.
Factory Service Tools
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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.