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  1. S

    High NOx(smog help)

    The cat did look pretty old inside an out, as far as the distributor question the 90's had distributors still.
  2. S

    High NOx(smog help)

    Im trying to make the car pass legally :D. I will be replacing the catalytic converter tomorrow. I cleaned out the egr and it was somewhat dirty. I reviewed the smog test and it appears to show my timing to be at 15* but he did not fail me. What is the stock ignition timing supposed to be at on...
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    High NOx(smog help)

    Can removing the spout connector gaurantee I pass smog this time while I fix the issues the car has? I only have a week to get the car smogged and it is only one free retest.
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    High NOx(smog help)

    I took my car to get a smog check done and it failed the No(ppm) of the test. The guy at the shop told me If i wanted it to pass that I needed to replace the catalytic converter but I read on another website that high NOx numbers happen when the egr valve is not working properly. I only have one...
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    New member

    My names jay and Im new to this website. I have owned plenty of mustangs last one being an 86 mustang gt t top. Long story short I sold the t top and purchased a 90 mustang 2.3 notchback to serve as a daily driver. I plan on purchasing an sn95 cobra next year but for now I am enjoying driving...