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Mercedes Benz
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1987
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190E 2.3-16 (201.034) L4-2.3L (102.983)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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On/Off Ratio Tester
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On-Off Ratio: 20%
On-Off Ratio: 20%
Throttle valve switch defective. This reading only occurs with the full throttle switch activated.
TEST:
Throttle valve switch.