Again, through the last 28 years, there is generally now an opinion that, at the bare minimum, pushing all the throttles forward, while they may or may not produce any additional thrust, at least all the engines would be producing maximum thrust – and (save an engine failure of some sort) likely doing so in a symmetrical manner. However, that particular remedy would not have prevented the Air Florida crash, regardless of when it was applied.
Well, they only had about 1.70 actual EPR set instead of 2.04, there was plenty of power left in those JT8D's. Remember, you can MEL the EPR gauges and go with N1 for power setting on this engine. As the NTSB comments on page 81 of its report:
The aircraft could not sustain flight because of the combined effects of airframe snow or ice contamination which degraded lift and increased
drag and the lower than normal thrust set by reference to the erroneous EPR indications. Either condition alone should not have prevented continued flight.