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Home >> Buick >> 1988 >> Regal Custom >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.8L VIN [W] PFI CEC Tests W/Codes >> Diagnostic Code Flow Charts (Code Charts) >> Code 41 - Cylinder Select Error >> Notes

Code 41 - Cylinder Select Error: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. The ECM used for this engine can also be used for other engines. The difference is in the MEM-CAL. If a Code 41 sets, the incorrect MEM-CAL has been installed or MEM-CAL is faulty and must be replaced.
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