• Tags

emission

  1. S

    2003 Mach 1 failed emissions, high nox - help?

    I bought a 2003 Mach 1 with 13k mikes on it. It had a supercharger put on it by previous owner who worked for Ford. I had it emissions tested yesterday, and it failed due to high nox. I’m wondering what the possibilities for cause could be. I don’t pretend to know anything about engines. My...
    • ShawnaLane
    • Thread
    • Aug 15, 2020
    • emission emissions mach 1 mach 1 low miles
    • Replies: 18
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  2. J

    302 ford D90E-6015-E3A hole on back passenger side of engine

    I have a 302 Ford block code D90E-6015-E3A I am rebuilding. I know the 302 is a 1979 to 1984 period block. I cannot figure out what the holes in the back passenger side of the block are for. 1 hole is in the rear main and it aligns to a hole just below the deck on passenger side rear of engine...
    • jakohle
    • Thread
    • Jul 7, 2020
    • 302 ci 79-84 emission engine
    • Replies: 0
    • Forum: Classic Mustang Specific Tech
  3. New Project 5.0 Smog Emissions

    Hello I have a rebuilt motor with non smog heads. Previous owner assembled fuel injection intake and it was running rich and gave up. My question in order to pass emissions do I need the smog manifold hooked up to pass? The car has an x pipe but most emissions items unhooked. So if I hook the...
    • 93Vertang
    • Thread
    • Mar 15, 2017
    • emission smog delete
    • Replies: 23
    • Forum: Fox 5.0 Mustang Tech
  4. D

    Emissions Problem - Very High Hc

    I'm hoping someone can point me in the right direction. I've searched the forums but have not seen a similar problem. My '85 GT has had an '88 5.0 HO swapped in (not by me). I took my '85 GT to get an emission inspection. I live in Colorado and for an '85 it's a dynamometer test to simulate...
    • Dart68
    • Thread
    • Jun 9, 2016
    • 86-93 emission o2 oxygen sensors harness a9l a9p
    • Replies: 35
    • Forum: Fox 5.0 Mustang Tech
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