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500SL rough idle
Having rough idle trouble on a 92 500SL. Changed plugs and resistors, checked for fuel and vacuum leaks, replaced o2 sensor.
Duty cycle at 50% at start up, then increases to 93% after warmup. ASR light comes on intermittenly. I also set a code 18 when I unplugged the idle air valve( How do I reset?) The roughness can also be felt when I increase engine rpm's. Any suggestions are certainly appreciated. Thanks.... |
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