no full throttle

  1. M

    Engine 1989 Mustang 5.0 Full Throttle Drops Rpm Hesitation And Popping Noises

    Hello, I have a 1989 Foxbody Mustang 5.0 and whenever I give the car full throttle the engine starts to die. It makes popping noises under the hood and if i keep my foot pushed down on the throttle all the way the rpm drops and it just makes popping noises. I replaced the fuel filter and have...
    • mark32
    • Thread
    • 1989 1990 engine ford foxbody hesitation mustang no full throttle pinging popping
    • Replies: 13
    • Forum: Fox 5.0 Mustang Tech
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