91 Grand Prix. Trouble code 41

Tiny
SVS_WTF
  • MEMBER
  • 1991 ALL OTHER MAKES ALL OTHER MODELS
Hey guy's this trouble code I have for my grand prix says it's code 41 looked it up and it says "cylinder error" So what does that mean exactly? Always a great car 112,000 mi. 2.3 Engine overhead cam 1 owner very well taken care of So is it garbage now?Heheh no lack in proformance or anything at all really just the check engine light. Thx.
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Monday, February 6th, 2006 AT 10:22 AM

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Tiny
MVANNESSJR
  • MEMBER
Ehhhhmmmm.

41 Cylinder Select Error (Faulty or Incorrect Mem-Cal)

Mem-Cal is the PROM that controls the PCM/ECM.
Trouble Code 41 indicates an incorrect MEM-CAL has been installed or it is faulty and it must be replaced.

Possible causes include:
1) Faulty connection due to MEM-CAL not locked in place.
2) Incorrect MEM-CAL installed.
3) Faulty MEM-CAL
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Tuesday, February 7th, 2006 AT 3:15 AM

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