FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.
Home >> Mercedes Benz >> 1990 >> 300E 4MATIC (124.230) L6-3.0L (103.985) >> Repair and Diagnosis >> Powertrain Management >> 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.

pro multis Credits:Operation CHARM About Operation CHARM