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Smoking throttle body on 01 WS6.

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Old Sep 5, 2010 | 12:30 PM
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Dan-01-TA's Avatar
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Default Smoking throttle body on 01 WS6.

Yesterday afternoon my SES light started flashing as I was driving and when I stopped to check it the engine started bogging and shut down. To start it I have to give it throttle and keep it above 2500RPM so that it wont die. After getting it off the side of the road we noticed a strong exhuast odor and pulled the MAP and piping off to the throttle body. The TB was releasing exhuast smoke and it has oil on the bottom of the "flap". I had a shop run dianostics and they picked up misfires on 2 cylinders. We believe an exhaust valve may be stuck open and allowing this to happen but have no idea why oil would be on the throttle body. The car is completely stock and I personally have not driven it hard. Help, I just paid the car off a few hows pefore this incident.
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Old Sep 6, 2010 | 04:02 PM
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The oil is from "blow by", these cars have shitty PCV systems.
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Old Sep 6, 2010 | 04:30 PM
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Install a catch can. The EPA wants the SES to flash if the misfire is severe enough to make the cat sick. Bad cat food makes cats sick.
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