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  1. R

    280zx coughs and sputters

    The alot of people call it the afm but it's actual name is the maf (mass airflow sensor) it's the metal kinda box with a black cover on it that sits between your intake and intake manifold. It monitors the airflow and sends that to the ecu which adjusts the air fuel mixture accordingly. If it...
  2. R

    280zx coughs and sputters

    Yeah, I plan on upgrading injectors sometime thus summer, these are just to hold me over until then. After alot of looking and testing I didn't find anything wrong with any connectors or the thermostat. But about an hour ago I was admittedly frustrated and decided it was a good idea to punch the...
  3. R

    280zx coughs and sputters

    The fuel pressure in the rail holds steady and I have replaced the fuel filter, cleaned the mesh in the pump, and the lines are clean. I'll be replacing the fuel pump soon as it's wining on startup but fuel delivery isn't the issue as far as I can tell. As for gas I use just standard and haven't...
  4. R

    280zx coughs and sputters

    so when I first got the car last year in may it ran rich but fine. after some minor things (replacing all the vacuum lines, adjusting timing, ect. just basic maintenance and getting the car back up to par) it ran, a little rich, but really good, smooth and reliably. but starting about 2 months...
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