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M119 Question
I replaced the plugs and wires on the 500E today. Everything went smooth, but I had a question.
The plugs were in good shape, electrodes were clean. Each plug I removed had a strong gasoline odor, to the point I am wondering if the engine is running too rich. Idle is smooth, no rough idle. Car seems to run strong. No smoke from the exhaust. Any ideas? Could it be I need a new O2 sensor? |
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