Check your AFM with a voltmeter. Another possibilty could be the ground from the ECU to the engine. I had a bad ground and was getting about 5 MPG, billowing black smoke, bucking, hesitating, etc. Good luck, jeff --- Chad G <groch@WORLDCHAT.COM> wrote: > Hi, > My fuel mileage is down and I've replaced MANY > things in an attempt to sort > out why my 85GL is running rich and eating gas. > Here is a list of stuff > that has been done as an attempt to > fix........replaced O2 sensor, both temp > sensors, new thermostat, new water pump, fuel > filter, injector wiring, air > filter, plugs, wires, distributor, rotor........... > > could there be a problem with the ECU, leaking > injectores, bad fuel > pump?????????? > > HELP > > > Chad 85GL
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