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engine problem 850

Check your idle air control pump. When the engine is cold, extra gasoline is fed to the cylinders and the idle air is supposed to pump more O2 to the vacuum tree to keep the idle at 950rpm.

I cleaned mine with carb cleaner, I soaked it and used an old tooth brush to get as much carbon black off as I could. Shaking it while submerged in cleaner helps also.
Inspect the vacuum tree for leaks while you are at it.

Klaus
--
Common sense trumps a PhD






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New engine problem [850]
posted by  850-j  on Tue May 12 13:38 CST 2009 >


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