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  1. Hesitation/Miss when at idle and hard on the throttle

    4.6L Tech
    Hey everyone! I have been having trouble with my car lately and I've run out of ideas of what it could be. I have a 1996 Mustang GT 5speed and lately it will have its good days and its bad days. Some days i'll take it out and it will drive amazing, like a brand new car and other days it will...
  2. Random Miss 88 GT

    5.0L Tech
    I have an 88 GT convertible, when I bought it about a year and a half ago it was having a slight miss at a CONSTANT speed randomly. Some days she drives fine others she does not. Since then I have added BBK headers and H pipe, BBK 75mm throttle body, BBK SSI upper and lower intake manifold, BBK...
  3. 2000 Mustang GT missing under acceleration

    4.6L Tech
    I have a 2000 Mustang GT with a manual tranny and 143,000 miles. I just got back from a weeks vacation on sunday and when I went to drive my car, I noticed a pretty heavy "surging" or "miss" when under acceleration right at 1800-2400 RPM. (it jerks me back and forth a little). Usually when under...
  4. 1992 Mustang GT missing really bad need some help?

    5.0L Tech
    Hey guy ok i bought my car off my cousin who would run the car low on gas all the time he ended up thinking that the tranny was toast and i bought it off of him and found out the tv cable grommet had come off so i fixed that and ive been driving the car here and there to find other things wrong...
  5. Misfire at idle when warm

    Classic Tech
    Hey everybody, I am having trouble with my '69 Coupe 351-4v. I recently rebuilt the motor. I was having a vacuum leak in my Holley 600 side hung and recently switched to a Holley 750 vacuum secondary carb that I had laying around ( I have 4 lol). The engine runs fine and pulls good vacuum at...
  6. Bucking in 3rd gear issue

    4.6L Tech
    My 2000 Mustang GT (142,000k) seems to "buck/surge/miss" (aka jerking back/forth slightly) when accelerating in 3rd gear, and every once in a while in 4th. It seems to do it when going up hills under heavier acceleration. I've read that a bad fuel filter could cause this? BTW, i obviously have a...
  7. Second gear shifting problem 2002 GT

    4.6L Tech
    Usually, when I shift fast from first to second it feels like something is in the way of the shifter and the gear wont engadge. It is very irritating because it causes me to miss second gear constantly and only happens when I am accelerating hard. When shifting normally (Around 2500rpm) I...
  8. 1968 Mustang 200 ci smokes/misses on rev

    Classic Tech
    We just got our 'Lucy' a little over a week ago and have noticed she smokes under rev. She also misses/stumbles on initial warm up. We're working our way on fixing little things and going from there but I am curious as to what I need to go at for the smoke. It's white/gray for those who will...
  9. 1997 Mustang 3.8L V6 Missing during Idle.. Need Help Please

    V6 Tech
    I have a 1997 Mustang V6 3.8L... It has a hessatint miss ONLY while it is Idling... IDK what it could be.. The RPM's are staying constant and not reving up or down. It just has a shimmy in the engine about every 5 seconds.. I changed plugs and ran alot of Injector cleaner through.. Still...
  10. Engine missing at idle

    Classic Tech
    Have a SLIGHT miss during idle, idle is also a little rough. Any suggestions?. 429, edelbrock performer carb, cam (hydraulic), lifters. 60 over, fresh rebuild, runs strong higher rpm. No backfire, etc.
  11. 4.6 Engine miss..

    4.6L Talk
    I blew a head gasket in my 98 GT with 4.6 and replaced it with a 4.6 from a Mercury Grand Marquis same 4.6 but from a 95. It seems to run great and getting around 21 mpg but between 60-80 mph it has a miss to the engine. If I unhook the vac line to the EGR valve and plug the line, it runs great...
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