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Home >> Mercedes Benz >> 1994 >> S420 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Electronic Accelerator Controls >> Self-Diagnostic System >> Retrieving Diagnostic Trouble Codes (Section 11) >> Notes

Retrieving Diagnostic Trouble Codes (Section 11): Notes

NOTE: On LH-SFI vehicles, on/off ratio output is used to diagnose intermittent problems. On all LH-SFI vehicles, Diagnostic Trouble Codes (DTC's) are used to diagnose hard failures.
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