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acceleration issues

  1. 2005 GT sputtering under WOT, possible solution

    2005-2010 Mustang GT Tech
    Here is my solution for this problem. The car would sputter violently when pressing hard on the gas pedal or when driving on a steep uphill. I changed everything I could, TB, gas filter, gas pump, plugs, coils, cleaned the injectors, changed the MAF and what else I don't even remember. All that...
  2. Need some help please

    2005-2010 Mustang GT Tech
    Ok guys I just purchased a 2007 GT only has 65k on it and is in perfect condition. It had a few mods when I got it. 62mm Ford racing throttle body, long tube headers, complete pypes exhaust system, cai, lowered, imrc delete, msd coils, and 410 gears. It ran beautifully for about a week. It...
  3. 2006 V6 acceleration problems. HELP NEEDED!

    2005-2010 V6 Mustang Tech
    I have some questions maybe you all can help me answer. When I orginally bought my car it was pretty powerful and had just had a brand new alternator put in that same day. It accelerated pretty fast and could easily hit 100mph without me having to floor it. On occasion though when I would park...
  4. 2002 Mustang GT acceleration issues!

    4.6L Talk
    I have a 2002 Mustang Gt with a new Ford Racing intake manifold, SR Performance cold air intake, and flow masters. I've just replaced all the spark plugs and the intake manifold. Ive noticed that the acceleration is not what it should be. it is worst than what it used to be. The RPMS aren't...
  5. 02 mustang gt problem! Help!!!

    Introductions
    I drive my mustang on a daily basis, and usually when I press the gas somewhat towards the metal, my automatic car usually shifts down and I get the boost of acceleration I always get, but lately it seems to be hesitant on the acceleration even when I press the gas all the way down, it doesn't...
  6. 2005 Mustang GT Bog down and other problems.

    2005-2010 Mustang GT Tech
    I have a 2005 mustang GT, let me just start by telling you mods I have done. Cold air intake, 4:10 gear ratio, steeda underdrive pulleys, comp cams (slight lope), kooks long tube headers, High flow catted X pipe, and bassini axle back exhaust, as well as a tune from bama custom tuning. Right...
  7. Built 302 acceleration problems

    5.0L Tech
    Hey I recently bought a 87 mustang GT with a freshly built 302. With a few mods one being a e303 cam. When I start the car it accelerates up to 6-7 RPM. It even accelerates on its own when I'm driving it. We took it to autozone and a guy said we had to take it to a mustang performance shop so...
  8. 2002 mustang v6 acceleration issues

    Introductions
    hello, I have had my car for about 2 years now and haven't had to fix anything on it for the most part. although, since i have had the car my "check engine" light has been on, but was told by many people it was nothing major. a few days ago driving my car I noticed as i started accelerating it...
  9. 1990 5.0 having trouble with backfire issue

    5.0L Tech
    I have a 90 5.o all stock except complete aftermarket exhaust. hi flow bbk cats and h-pipe flowmaster super 44 mufflers and bbk shorty cermaic coated headers. Now for the problem.....upon initial startup i have problems with the car bogging down when i give it gas to the point where it almost...
  10. 2001 v6 Mustang - Bogs Slightly Under Medium to Heavy Acceleration. Fuel Injectors?

    V6 Tech
    Hi, I just bought a 2001 Mustang from a friend dirt cheap. It only has 70,000 miles on it. The problem is that it bogs somewhat when I'm accelerating. It never totally stops accelerating, but the RPMs will drop by 500 or 1000 then pick back up. Feels like a clogger fuel filter, but the guys at...
  11. Fuel system question on a 1984 Mustang

    5.0L Tech
    Hi folks. I am brand new on here and havent restored a car in 20 yrs. I bought an 84 Mustang conv. with a 302. It has a flat spot when I push on the gas, so I started at the basics with the carb. On that note, I'm looking what appears to be a 2 bbl with electrical coonectors to the jets. What...
  12. 95 Mustang GT sputtering and rattling in idle and acceleration!

    5.0L Tech
    I just bought this mustang less than a month ago and put in a bbk intake kit in it about 2 weeks ago. Ran flawlessly for about 2 weeks than started to take a turn for the worse. I turn the car on and it already starts ratteling. In idle it feels like it's going to break down and on acceleration...
  13. 1999 mustang, rpm?acceleration issues please help

    4.6L Talk
    I have recently had problems with my RPMS. When I turn my car on it stays above 1000 RPMS and any time I press down on the clutch to switch gears, the RPMS rev up to around 3000 RPMS and when I'm in neutral just coasting the RPMS rev up to a little above 3000 rpms. The only tim the RPMs go back...
  14. 1999 Mustang constant High RPMS please help

    V6 Tech
    I have recently had problems with my RPMS. When I turn my car on it stays above 1000 RPMS and any time I press down on the clutch to switch gears, the RPMS rev up to around 3000 RPMS and when I'm in neutral just coasting the RPMS rev up to a little above 3000 rpms. The only tim the RPMs go...
  15. 1995 mustang acceleration problem

    V6 Tech
    okay guys i have a 95 auto mustang basically stock with an exhaust and a CAI. but my car is having some major issues. The only code showing up is a Random Misfire. The car seems to run fine in park or neutral but as soon as you put it into drive the rpms drop and sometimes stalls the car. It has...
  16. 1989 2.3L Mustang hesatates on accel.

    2.3L Tech
    :waveyNew too this stuff but need help! I got a 89 mustang convertable with a 2.3L 4 plug non-turbo automatic. The car ran great when I got it but then about 4 months of driving it two of the volves burnt on the head so I had the head redone and got it all back together with new plugs, cap...
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