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high idle

  1. Idle gets higher as car gets warmer??!

    Classic Tech
    68 mustang: 302 SB, Edlebrock RPM performer Manifold, 34 degrees timing, 1406 Edlebrock carb. electric choke is "keyed" on and adjusted for current weather. I've performed the lean best idle mixture with vacuum, dialing in idle mixture screws. Choke High idle is adjusted to run at about...
  2. Help Need for this weekend High Idle

    4.6L Tech
    Hello so I will be going to the American Muscle show this weekend down in Pennsylvania but seem to have run into a problem of course right before I plan on driving it from Mass to PA. So I find that my 2000 Mustang GT is running at a high idle. It is running anywhere from 2000RPM to 3000RPM and...
  3. High uncontrollable idle

    4.6L Talk
    So i recently did some internal modifications. Cobra rods, pistons and crank in a 2002 Mustang GT with port and polished heads. I just got the car back and i was tad the high idling was the cpu learning the new parts. it idle around 2k rpms. when the car is moving and in neutral it jumps to 3k...
  4. V6 mustang 2000 Idle is really high

    V6 Tech
    Okay I posted on here a couple months ago and barely got around to trying to fix this. I have a high idle it just sits at 1500 RPMS, when I barely tap the accelerator is shoots up to 2500 RPMS. I have cleaned the MAF sensor and it didn't change it at all. Also I cleaned the IAC and it happened...
  5. 2002 mustang gt need help after installing intercooler

    Superchargers+Turbochargers
    Hi guys, I have searched and couldn't find my answer and this will be my first post. I have an 02 Mustang GT that I was running a vortech V1 supercharger with a 3.60 pulley and no intercooler. I just finished with a small build which consisted of a 3.33 supercharger pulley, a front mount...
  6. 2002 mustang gt need help after installing intercooler

    4.6L Tech
    Hi guys, I have searched and couldn't find my answer and this will be my first post. I have an 02 Mustang GT that I was running a vortech V1 supercharger with a 3.60 pulley and no intercooler. I just finished with a small build which consisted of a 3.33 supercharger pulley, a front mount...
  7. 2003 GT High Idle after intake install

    4.6L Tech
    Hi all , I installed a Dorman intake manifold because my original one started leaking. any way i installed the new one and everything fine no leaks but now my idle around 2100 rmp and i cant figure it out. I got code P0113 - Open circuit in harness , Circuit High Input : Self-Test...
  8. 1993 Mustang LX 2.3L 5spd Help with high idle

    2.3L Tech
    The idle on the car moves up and down and it is also high. about 1600 rps. If I turn the A/C on it goes down to about 1200 rpms. Also the check engine light is on. I tried to do the codes test and I got a 126 code which says online that it is a BP or MAP sensor is too high or too low. Any help...
  9. 1993 Mustang LX 2.3L 5spd help with idle and clutch issues?

    2.3L Tech
    Hello everyone. I just bought my first car and it happens to be a 1993 Mustang LX 2.3L 5spd. I really wanted the v8 but couldn't afford it. I have some issues that maybe I can get some help because I don't have too much money and I would like to learn how to fix my own car. The car has a high...
  10. High idle when I first start the engine?

    V6 Tech
    i have a 2001 mustang and when i first turn over the engine it will go straight to 2 thousand rpm then go down to 500 rpm after its running for a minute. What could this possibly be i have tried replacing the idle control valve but still does it. It also eats up gas will this idle problem make...
  11. 1967 Mustang Autolite 2100 throttle springs

    Introductions
    I sent away and had the autolite 2100 2 brl rebuilt. Installed it and the idle speed is too high, even after it's warmed up. I am not sure about the size and locations of the trottle springs. A picture would help if anyone has one. Also there there was no dashpot when I purchased the car. Do I...
  12. High Idle- 2k- Suspect- IAC?

    5.0L Tech
    Hello AFM Fam; Well, I must say, things are going well with the 'ol girl. New ECU, Harmonic Balancer, A/C is finished, just in time for it to cool down! Running like she should except.... I recall a high idle issue on this car before my dad passed away. So, I pulled the IAC, checked the...
  13. Motorcraft Idle Air Control valve

    4.6L Talk
    Yeah, "not another idle thread" I know lol but I have to share my story and why you should not buy any other iac, other than Motorcraft. Ok several months ago, my original iac went bad (the one that was on it at when it was brand new), so I went to advance auto parts and bought their BWD brand...
  14. 1993 Mustang GT Idles HIGH

    5.0L Tech
    Hi, I have a 1993 Ford Mustang GT 5.0L. After I cleaned the throttle body with throttle body cleaner, the idle started running 1000-2000 RPMS up and down. After this started happening I did a tune up changing the spark plugs, wires, distributor cap, and the rotor. Also I changed the idle air...
  15. High Idle Rev w/ new 65mm Throttle Body

    V6 Tech
    I recently installed a new BBK 65mm Throttle Body. Once installed my car would rev very high and idle from 2k to 4k RPMs. I was so scared about blowing my engine that I took it to the shop. They ran tests and such but said that they unplugged the Throttle Body sensor and that I should put my...
  16. 1990 Mustang GT extreme idle and fuel problem

    5.0L Tech
    If anyone can help I would greatly appreciate it. I have a 1990 mustang with a 302 bored .030 over. Edelbrock style intake, larger throttle body, B 303 cam, gt 40 heads and some other mods. I bought this car as is so with the specifics I'm still figuring out. Anyways here's the issue. The idle...
  17. 1994 Mustang 3.8 V6 idles @ 1700 in P/N, sticks in 3rd gear

    V6 Tech
    Just joined the forum recently after becoming part of the Mustang owners' fraternity. Bought a Laser Red '94 3.8 automatic coupe as a daily driver & project car. It runs strong, shifts smoothly, doesn't smoke or knock and I got it for a steal. When I bought it about 2 weeks ago, it idled very...
  18. 1992 F150 loose ends from eec?!?!

    5.0L Tech
    Ok, I bought a 92 f150 .... I know its a mustang forum, bear with me lol.I bought it as a project and it had already had the 5.0 from a 1990 mustang im pretty sure... my problem is I have about3 connectors that i can not find a home for.....it took me about a week to assemble this motor because...
  19. High Idle issue?

    V6 Tech
    My 1994 Mustang runs high at idle.(1,000 rpm with out touch of accelerator). stays at 1,500 to 1,200 rpm after i let off accelerator. I heard about cleaing the Idle Air Control .. so I took my IAC off and cleaned inside the two holes, and around the mating surface. I avoided spraying any...
  20. Mustang Idle issue?

    V6 Tech
    1994 Mustang V6 runs high at idle. around (1,000 rpm with out touch of accelerator). stays at 1,500 to 1,200 rpm after i let off accelerator. I took my Idle Air Control off and cleaned inside the two holes, and around the mating surface. I avoided spraying any electronic area of the IAC. I...
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