> So I'm standing there scratching my head, when I have one of those > miraculous revelations, and go straight to the problem! On the > throttle, the top little switch! Clicks (on or off?) when you open the > throttle. Disconnect and the problem goes away! > > So I run down to the local inspection guy, but he's booked for the rest > of the afternoon. Try tomorrow. > > QUESTIONS: What is this thing? Do I need it? > > And it starts everytime (so far!) > The full-throttle switch cuts out the closed-loop circuit from the FI system. At full throttle, your engine runs solely on the air-flow sensor and rpm. If disconnecting this helps, it probably means that the switch is shorted *and* you have a bad air-flow box. The O2 sensor, the main part of closed-loop operation, can do wonders in correcting the mixture, but generally makes too lean a mixture for full-throttle. The air-flow box is pretty easy to temporarily fix, and rebuilt ones are not too bad in price. malcolm
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