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Engine will turn 640 revs in less than a minute Posted by Bill Homer [Email] (#3427) [Profile/Gallery] (more from Bill Homer) on Fri, 7 Aug 2009 16:42:36 In Reply to: Re: no bias/ref on the O2, Tom M, Fri, 7 Aug 2009 14:56:13 Members do not see ads below this line. - Help Keep This Site Online - Signup |
My car idles at about 750 Revolutions Per Minute. My understanding is that the heater circuit helps the O2 sensor warm up in about two minutes; before that the ECU uses a default mixture value, ignoring the O2 sensor.
Are you sure that you are looking at the correct CTS? There are two, the one you want is buried between runners 2 and 3 on the intake manifold, and the resistance values are valid only for 1994 - 1995; the parts changed over time.
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