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Oxygen sensor connector V70-XC70 1998

posted by  David Samuels on  Mon Aug 22 10:30 CST 2011
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last visit: Mon Oct 20 12:23 CST 2014
[RELATED]

Hi Klaus. I agree about the ECU, especially since the car seems to be running no differently and any error would probably show up in some fault. Rob says he has the software to fix the skip 'n dip though, as well as improve mileage, so a good opportunity to possibly make some other tweaks and who knows what he'll find. The SND was supposed to be fixed first time around. When I told the proprietor it hadn't been, his reply was "Oh, it wasn't?"

I want to pressurize the fuel and vacuum systems. Nothing I've checked that was visible has shown any failed lines. The elbows and hoses I changed were more because I thought they could be a problem soon, rather than because they are one now. I'm betting that my problem lies under the intake. I've heard about that "invisible" connector, and I'm wondering about the whole "pcv" system. Ugh!

Dave






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