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Why does my Z hesitate at full throttle?

Open hood, locate left air intake (the same side where the fuel trap is, just to clarify). On the side, you'll see a black square box, with a secured connector. Remove the connector, clean the contacts, replug. End of hesitation.

BTW, another thing that MAY cause hesitation is if your left and right intake butterflies aren't synchronized...but I'd try the  TPS first...

H. Le Hir

The TPS-connector is the connector that is under that "black square box", not the one that is ON the box (that is the "hard idle switch"-connector and that one is not used unless the TPS is malfunctioning)... The TPS-connector is the connector with the 3-4" wire that goes to that same box...

You should also check that you get +4V on the mid-pin on that connector with the ignition on and the accelerator floored. If not it need to be adjusted...

ProZ

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