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Home >> Mercedes Benz >> 1990 >> 300E 4MATIC (124.230) L6-3.0L (103.985) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Air/Fuel Mixture >> Specifications

Air/Fuel Mixture: Specifications

AIR/FUEL RATIO

On/Off Ratio [1] Readout Oscillating

[1] At Diagnostic socket, with on/off ratio tester, and 02 sensor connected. Reading should be within +10 of the value at 2500 RPM.

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