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stumbles

  1. 2002 ford crown victoria 4.6l v8 engine stumbles when under load

    Introductions
    hi there, i have a 2002 crown vic police interceptor. the engine doesn't miss or shake when idle but when i start driving and get past a certain rpm range is starts stumbling and shaking and i dont have the power i should but the check engine light is not coming on. I have changed: brand new...
  2. 2002 ford crown victoria 4.6l v8 engine stumbles when under load

    Classic Tech
    i have a 2002 crown victoria police intercepter with a 4.6L V8 and it has been stumbling under load. when it idles it is fine does not misfire or shake but when i try to drive i lose power, it stumbles and shakes very bad i have checked almost everything. ive checked plugs, coils, fuel filter...
  3. V6 2002 mustang stumbles when accelerating?

    V6 Talk
    I changed the spark plugs so i know its not that. Also i got a SCT trouble code reader and no codes where thrown so im lost? It normally happens in low rpms also
  4. 1992 mustang gt erratic idle loss of power

    5.0L Talk
    alright iv got more issues than what i initially thought here's my symptoms at idle if i quickly tap the gas it stumbles quickly usually she revs about 1k once warmed up it goes down to about 700 which seems fine to me all this has just been the way the car ran up until about a week and a half...
  5. 2001 V6 mustang stumbles at idle, cruise and acceleration

    V6 Tech
    I am stumped. First while backing car began to cut out. driving it was also cutting out. will smooth out and on and off it does it again. just sort of stumbles or hesitates. I replaced spark plugs, wires, fuel filter, air filter, oil change, and pcv. i pulled the wires one at a time from the cop...
  6. stumbles after it gets warm

    5.0L Tech
    Here is the story, this is after a rebuild, we have run the car for about 200 miles with out any issues then one day I was tooling around and I go over a bump and the engine would not run above idle, fortunately I was close to home and milk it home by basically riding the clutch. There are new...
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