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Re: Ari Look--- O2, CEL Posted by Ari [Email] ![]() ![]() In Reply to: Ari Look--- O2, CEL, Rmc, Tue, 8 Feb 2005 07:35:15 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I have heard of folks cleaning the O2 sensor with a light application of a torch (!) I wouldn't touch it with a solvent, like carb cleaner.
I don't remember what year car you have - what was the dash number on the AMM? Is it the kind with an adjustment screw (-005)? If so, then it requires adjustment to get the right mixture. The AMM should be adjusted until the O2 sensor signal swings evenly around 0.5 volts. If it's a later car without the adjustment screw, then it is what it is.
If you're still running rich, and the voltage output of the O2 sensor is also showing rich (0.8 or 0.9 volts, not 0.2), then as Ron says, it isn't the O2 sensor - it's just telling the truth. I would be concerned, as Ron says, about a sticky injector. The other would be a bad/leaky FPR.
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