• Tags

hanging rpm

  1. S

    IAC Restrictor Plate Custom Made

    I have been having a hanging idle issue, after searching the forms and reading it seems that the issue is the IAC allowing too much air inside of the engine. I have heard of plenty people buying the IAC plate. But was wondering about making it myself? I have thrown the idea around because I...
    • SilentUrban
    • Thread
    • Apr 13, 2021
    • hanging rpm iac valve problem
    • Replies: 0
    • Forum: SN95 4.6L Mustang Tech
  2. L

    Engine Rough Idle at Start, Possible CMCV Vacuum Leak

    Hi, I have a 2015 salvaged coyote in a 67 mustang running on the control pack. Everything is up and running, but it seems to have a rough idle at start. The idle continues to be rough until I rev the engine and it settles down to normal at around 1000rpm for about 5 seconds, after 5 seconds...
    • larsond12
    • Thread
    • Apr 12, 2019
    • 2015 ford mustang cmcv hanging rpm idle idle issues idle problems rough idle throttle body vacuum vacuum leak
    • Replies: 0
    • Forum: 2015 - 2023 Specific Tech
  3. N

    Engine 1987 LX 5.0 5 Speed - idle and . . .

    Hello all. This is my first post on this forum. I thank you in advance for the time and consideration you give to my issue. So, I just picked up a 1987 Ford Mustang LX 5.0, hatchback, 5 speed, all original, 100% stock, 27k miles. The thing looks like it was buried in an air tight time...
    • nathan_erie
    • Thread
    • Dec 31, 2018
    • hanging rpm idle idle issues
    • Replies: 4
    • Forum: Fox 5.0 Mustang Tech
  4. Hanging rpms....still

    99 Gt. Bought the car from my son a few days ago. He "never noticed" that it increases rpm when you clutch/shift. Goes to 2k then very slowly drops. Replaced iac, cleaned maf, cleaned throttle body (professional products powerflow air inlet, bbk power plus TB 70mm) installed hose clamps on all...
    • Tk469
    • Thread
    • May 31, 2018
    • hanging rpm
    • Replies: 4
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
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