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Home >> Porsche >> 1994 >> 911 Speedster, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Clearing Codes >> Using Malfunction Indicator (CHECK ENGINE) Light

Using Malfunction Indicator (CHECK ENGINE) Light

Ensure fault causing MIL to come on has been repaired. Depress and hold accelerator pedal at WOT for more than 12 seconds. Ensure MIL goes out briefly after 3, 7 and 10-second intervals, indicating fault code memory has been cleared.