The problem with my nissan quest 93 is when it start it do it fine but, do no accelerate, it stumbles too much.and it work better with wide open troutle ....what it could be???
I suspect you have a dirty mass air flow sensor. It is in the air cleaner assembly with 2 anti-tamper screws on it. remove the MAF sensor and clean with carburator cleaner and a toothbrush very gently. the wires are very fragile. The MAF tells the computer how much air is flowing through the air cleaner to adjust the fuel mixture.
other posibility is TP Sensor (throttle position).
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