E420 1994 Fault code 11. Air injection relay K17 short
11-05-2013, 10:27 PM
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mercedes 400e
E420 1994 Fault code 11. Air injection relay K17 short
Or open circuit. I checked the ECT resistance. It shows about 5K in both circuits. The clutch engages when shorted at the green relay. Yet It does not engage in the morning. Can I test the relay?
