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  1. Dead Battery on Modern Cars

    Mustang S550 General Discussion
    Hello everyone, long time no speak. I am in the market for a new Mustang. I went to two different dealers in my area trying out the 2017 V6 Mustang. It was actually a pretty weird day. Both dealers had the same, yet different problem(s) with their Mustangs. Both places had Mustangs dead...
  2. 94 3.8 Computer bad

    V6 Tech
    Hey guys, So i have a 94 3.8 5 Spd Man trans Convertible. My computer just recently went out after bout 2 years of trying to push through. The problem i'm having is I don't have the code i need to get a new one and i have a few questions. 1. The car was originally an Automatic but i...
  3. 408 engine swap

    4.6L Tech
    I swapped my stock engine with a 408 stroker. I got an edelbrock efi system and I was wondering if I'd be able to remove the stock computer or is that connected to a lot of stuff like the tachometer, speedometer, fuel pump, etc? I just dont want to remove it and then find out that I need to put...
  4. 02 GT Theft light and no Start. Ready to Pull My Hair Out!

    4.6L Tech
    Okay......purchased a 2002 Mustang GT a few months back as a fix and flip car. It needed a fuel pump (according to owner) and a paint job. Replaced the fuel pump and it would not crank. It would spin but never turn over. Theft light would blink and odometer was all dashes. Called out a tech...
  5. pulley and chip questions.

    2005-2010 V6 Mustang Tech
    I'll try to keep it short and sweet. I have a 2006 V6 and a guy is telling me his is chipped and he bypassed the air conditioning and power steering pulleys and gained 124 HP. I don't know anything about pulleys but I do know umderdrive pulleys add a good amount of HP but 124 for bypassing AC...
  6. 93 TBIRD ECU in a 92 Notchback?

    5.0L Tech
    I purchased a 92 Notchback not running 5.0 T5 car. I put a motor in it and it runs if I jumper the factory test connector otherwise I have no fuel pressure. I made sure my ECU ground by the battery is hooked up and everything looks good. The ECU has 93 Mustang GT written on it with a sharpie...
  7. Loss In Throttle Reponse

    V6 Tech
    Hello, I Have a 2002 v6, its in fairly good condition, and this is one of the first problems, lately I have noticed a loss of power when I give it some gas. It's still drivable, but not as fun as it used to be. I'm guessing that it has something to do with the computer, because my idle has been...
  8. 2002 V6 Mustang loss in throttle response.

    Introductions
    Hello, My problem has gradually gotten worse, and im getting tired of it. So lately I Have noticed a great loss in throttle response, it just seems like I have to give it much more pressure when i press the gas. I dont know why but i have a feeling its something with the computer. I have 111K...
  9. Donor car questions

    5.0L Tech
    For my 88 5.0L i was thinkin of buying a 93 4cyl as a donor, dependin on what the guy says, he doeant really want to part it out, anyways, i was wondering what i can and cannot use? Like i might want his cluster, entire dash possibly, seatbelts and can any of the engine things be used for mine...
  10. No Power to Fuel Pump Relay or Fuel Pump

    5.0L Tech
    Hey back again in need of some more help. Alright, here's my dilemma now. My 88 mustang 5.0 would seem to run really rough and lose power going into high rpms in 5th gear. Turns out it only did this when low on fuel. Sometime afterward the car cut off on me and i had to get it towed home. It's...
  11. 2001 Cobra Computer Problems

    Introductions
    I bought a 2001 mustang cobra from my brother who is in the military, the car has been non op for the last two years due to him being out of the country. I went to get the smog and it failed due to codes...but no check engine light. well it has a tuner and after i called him to tell him it...
  12. 2000 V6 idle problems..computer???

    V6 Tech
    I have a 2000 V6 auto, convertible...after heavy rain it started idling rough. replaced coil, spark plugs and wires. I keep getting misfire cylinder 2, the spark plug is wet but looks as if it never ignited, totally clean. All the injectors are sound the same at idle. Someone suggested the...
  13. 1966 fastback with 1989 5.0 engine swap, need help with wiring

    Classic Tech
    Ok, so this is supposed to be introductions. Hi!! We have a 1966 fastback Mustang and are in the process of putting a 5.0 in it out of an '89. We have bought what we thought was necessary to swap it to speed density, and have bought a new wiring harness, custom made to remove unnecessary...
  14. 92 LX Computer Question

    4.6L Tech
    sorry to bother you, wrong section, i just sold my 99 gt
  15. Question about computer and trans

    4.6L Tech
    Ok i am doing a trany swap and want to know where the main computer is located. I know that most fords have both the auto and manual and then the company just uses one. I want to know where this would be located and how hard it would to change. One last question is the 99-04 motors zero balance...
  16. 2.3 EFI to 351w Swap

    5.0L Tech
    Can anybody tell what all has to be done to change my 88 2.3 EFI to a 351w carb? what do I have to do as far as Transmission, Fuel system, computer and exhaust? Thanks
  17. Custom tune a 92 5.0 computer

    5.0L Tech
    Can I take my 92 5.0 to a shop for them to custom tune the computer? I have made several upgrades and wondered if you could even tune the computer and if it would help.
  18. 1987 Mustang 5.0HO only starts when cold

    5.0L Tech
    I put a 5.0HO (with trans and rearend) from a 1987 Mustang LX into my 1965 Ranchero. I stripped the motor (no more AC, power steering, air pump, EGR) It was from a running car with the stock computer. I didn't have any problems at first, but while the car was sitting for a while I put an MSD...
  19. 2001 Mustang GT engine swap

    4.6L Tech
    Putting a 1999 Mustang motor in a 2001 GT, will the computer work as is or will I have to makes changes to the computer?
  20. New Computer... Get Stock or Not?

    5.0L Tech
    My 90 5.0 has a broken computer, should I get a stock computer or go with a performance computer? Everything else on my car is performance upgrades
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