Re: Oxygen sensor test - Saab 9000 Bulletin Board - Saabnet.com
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Re: Oxygen sensor test
Posted by BobS (more from BobS) on Thu, 18 Oct 2012 14:48:06
In Reply to: Why not a smooth idle, DanaH, Thu, 18 Oct 2012 07:19:30
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You can let the idling car heat the sensor and watch the output voltage with a meter. About any digital multi-meter will work, but tend to be jumpy and to slow. An analog meter is better, but a high speed high impedance one is hard to find. Try different meters to find one that responds well.
Watch the meter reading to see if the stumble coincides with an extra low voltage or longer time at low voltage. Slightly increasing the idle speed should cause faster voltage oscillation. Voltages like those in the post above apply.
posted by 65.101.94...
Posts in this Thread:
- Why not a smooth idle, DanaH, Thu, 18 Oct 2012 07:19:30
- Does the O2 sensor affect idle?, Craig, Thu, 18 Oct 2012 15:21:58
- Re: Oxygen sensor test, BobS, Thu, 18 Oct 2012 14:48:06 <-- Viewing This Message
- Try swapping the DIC, jjacob, Thu, 18 Oct 2012 14:22:38
- Re: Why not a smooth idle, Mike D, Thu, 18 Oct 2012 12:48:55
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