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Re: O2 gauge and voltage readings...
Posted by KeithG (more from KeithG) on Thu, 16 Aug 2001 16:15:38
In Reply to: O2 gauge and voltage readings..., Jeff Cunningham, Thu, 16 Aug 2001 13:27:00
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just a hunch, but it could be a bad ground connection. I am not too familiar with the A/F gage per se, but if the gage is not oscillating (lean rich lean), there is a problem. IIRC, your car is an LH2.4, right? The ground point for the LH 2.4 is on the head near the AIC. Remove and clean. Also clean the battery connection and the cable from the battery to the transmission. This is the path to batt negative and may affect readings and operation. Make sure these are clean and tight first before investigating other, possibly expensive, problems. Also, try connecting the AF gage ground to the head as well. Since teh LH is grounded there, it would be best to reference teh same ground with the A/F gage as well. At least, make sure that you have a GOOD, SOLID ground for the A/F gage.
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