Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Rebuilt 4988S Not So Good.

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Cliff Ruggles:
No need to seal it up, I use about 100psi air here, thru the inlet with plenty of soap/water mix around the needle/seat assembly.....Cliff

Ozzmann:
I'm finally back to getting the carb tuned correctly, after 6 months on ignition problems.
Anyway the Qjet is running well now except for a slight Light throttle or off idle hesitation.
It dips for a second upon light throttle application then picks up and runs fine, where should I look to fix this? ???

Cliff Ruggles:
Is there a tiny screw in the top of the airhorn under a triangular metal cover?.....Cliff

Ozzmann:
Hello Cliff,  no mate I don't have that on my qjet, remember I don't even have a ported outlet!

My carb must have been the poverty pack version...lol. ;D

Ozzmann:
Cliff, what order are the power piston springs you supplied to me in from light to heavy? ???

I have a short orange, long green, medium black and a medium silver/natural color.

Maybe my hesitation is too soft a spring?? I'm using the black one at the moment, it's got more coils than the other medium sized one.

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