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It pretty much only mentions Airflow Meter, (FULL LOAD ENRICHMENT SWITCH) and AIT air intake temerature sensor, and CTS coolant temerature sensor as possibilities... I am looking at Airflow Meter and I will get you the testing procedures.
Try this test, as much fuel as it dumping it sounds like (Max Fuel Enrichment) is being requested? It's a start, below is a simple test.
There are two switches involved IDLE and THROTTLE ...
The throttle swicth has 4 wires all White w/ RED GREEN BLUE BLACK the idle switch i cannot read it, my wiring diagram sux it's such an old vehichle they made the diagram really blurry just a black and white picture.
Do you happen to have a diagram or manual with good wiring pictures?
lol ok man, appreciate all your help
Honestly it would be a good idea anyway to check the wiring harness from the ECU to the engine controls and switches for (grounded wires) because of the age the vehicle, and COOLANT SENSOR, AIR FLOW METER, AIR INTAKE TEMP, OXYGEN SENSOR, they all effect the mixture.
The reason I wanted to start with that is because it does sound like a wire shorted to ground possiby to the THROTTLE SWITCH causing a flood, double check all of the wiring.