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 MANUALSBUICK1995REGAL GRAN SPORTREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 3.1LECM/PCM CODE CHARTSCODE 41, CYLINDER SELECT ERRORNOTES
1995 Buick Regal Gran Sport
Code 41, Cylinder Select Error: Notes
1995 Buick Regal Gran SportSECTION Notes
Ignition timing is controlled by the PCM. Inputs from various sensors allow PCM to calculate optimum spark timing.
NOTE:
Test number refers to number on diagnostic chart.
- Confirms Code 41 and fault causing code is present.
- Checks for normal IC ground path through ignition module
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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.