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  1. 70-83 Tech Discussion Forum
    My 280zx has a high idle issue since I bought it, fixed several vacuum leaks, replaced the AAC, replaced the intake/exhaust gasket, injectors, inline fuel filter, fuel pump, most of the rubber soft fuel lines. I pinched off the return line from the fuel pressure regulator to see if I could get...
  2. 70-83 Tech Discussion Forum
    I have a 79' automatic non turbo 280zx, the car starts and idles fine but when you start driving it slowly starts getting more and more lethargic and has a hard time getting up to speed than eventually loses all power and the fuel pressure hits zero,Then when you go to start it up again it runs...
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