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missfire

  1. 5.0/5.8 Engine Tech
    Hi all, I have a 1991 mustang lx..tfs 11r 190s, rpm II, Ed Curtis cam, 24# injectors 306. The car has an auto computer in it but is a 5 speed now (not sure if that matters)....anyway...lately I have had this problem where I am driving the car around at low rpm and under light load (cruising)...
  2. 5.0/5.8 Engine Tech
    got 88 notch 5.0 that we have been trying to fix for 2 years. It has a random miss that seems to get worse under load. This what we have done: New OEM Ford Dizzy with TFI New Coil New wires and plugs New fuel filter Swapped EFI harness Swapped ECC Swapped MAF New lifters Inspected valve...
  3. GT & SOHC
    Hello, i am new to the forum community and need some help or suggestions as to what is going on with my car. Some history on the vehicle: 01 Mustang GT, Bought it last summer after graduating high school :) Had 140k miles when i bought it. (Completely stock) Two or three months into owning...
  4. 5.0/5.8 Engine Tech
    ok my mustang has a misfire from 1600 rpm to 2000rpm when you hold the throttle while driving or in neutral it kind of sounds like a pop/stutter every second or two but very quiet you half to try to be listing to hear it/feel it you can feel/hear it also when driving ive used a set of 24 pound...
  5. 5.0/5.8 Engine Tech
    ok the stangs deffinitly running like **** now look at all the codes i got 11 10 34 96 21 40 44 90 10 ,40 and 90 should be from my balance test which i ran twice i used a equis scanner so these should be correct 44 my thermactor injection is hooked up so i dont know why its not working 34...
  6. General Mustang Tech
    So about 2 years ago i posted about this before. Anyhow i've not ran o2 Sensors in that long, and i've been through a few setups now, but i'm back to using a pms and I thought about trying to run o2's again with this new motor to try and improve my poor fuel economy. Anyhow here's the deal. The...
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