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Re: Changing subject...my Volvo Posted by Bill Homer [Email] ![]() ![]() In Reply to: Changing subject...my Volvo, Yaofeng, Wed, 4 Feb 2004 13:46:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Well, it was a good try! As you recall the NJ DMV's rule is;
"If your vehicle fails the re-inspection and you can provide receipts proving you’ve spent $450 to reduce its emissions, and it passed an idle test, you may qualify for a waiver."
I guess that they did not buy your story that you had to replace the entire exhaust to do the cat to reduce emissions. So, time to fix it!
What are the current NOx readings/allowed values? I'm not that familiar with "modern" Volvos, the last one I worked on had CIS injection, which used an analog ECU like the early C900s. I wonder if your 1993 has a "learning" computer, which adapts to MAF and other inputs over the course of several running cycles - this is how my Audi works, and I think later SAAB 9000s too. What I'm getting at is that it may take a few cycles for the ECU to adapt to the clean MAF sensor, which I don't think happened by Monday. Or, the MAF may just be bad after 11 years. Hopefully, someone else can chime in here, or you might have better responses on "a well-known Volvo enthusiast's website". You may actually have to seek professional intervention, which goes against all DIY beliefs!
posted by 68.72.9...
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