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why does this happen, vacuum leak affecting idle speed 700

posted by  pbrown on  Tue Jul 15 13:42 CST 2003
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Poking around under the hood. Pulled a vacuum hose. Idle sped up a little. Is this indicitive of a good O2 sensor? I haven't pulled the plug and checked the resistance values yet, but I seem to remember the FAQ's saying to induce a vacuum leak when checking the O2 sensor. It's an 87 760, B230FT.






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New why does this happen, vacuum leak affecting idle speed [700]
posted by  pbrown  on Tue Jul 15 13:42 CST 2003 >


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