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Thread: Electric Choke Holley 1-684

  1. #1

    Default Electric Choke Holley 1-684

    Hi, me again. How exactly does the fast idle cam works its way down to disengagement when the engine is warmed up? I find that when I drive somewhere and then start the car again, the fast idle is still engaged. So I turn the car off and pump the gas to get the fast idle to disengage before starting again.

    Another questions, sometimes I start the card cold by pumping the gas to lock the fast idle in, but somehow the car is revving high and stuck with high idle. Is there anyway to avoid this? It's the fast idle screw missing the cam and getting stuck to the right or left of the cam and jammed in there.

  2. #2
    Join Date
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    Quote Originally Posted by 88LTDCV351 View Post
    Hi, me again. How exactly does the fast idle cam works its way down to disengagement when the engine is warmed up? I find that when I drive somewhere and then start the car again, the fast idle is still engaged. So I turn the car off and pump the gas to get the fast idle to disengage before starting again.
    No, you have to physically tap the throttle to kick the fast idle cam screw off its current step. That's how an electric choke functions.
    https://forums.holley.com/showthread...on-t-idle-down (Related Forum Thread)
    https://forums.holley.com/showthread...hoke-Butterfly (Related Forum Thread)

    Another questions, sometimes I start the card cold by pumping the gas to lock the fast idle in, but somehow the car is revving high and stuck with high idle. Is there anyway to avoid this? It's the fast idle screw missing the cam and getting stuck to the right or left of the cam and jammed in there.
    You may need to bend/realign the choke linkage.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

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