Your temperature gauge needle may have been forced clockwise in it's shaft due to 'pegging' when the starter circuit is engaged. If so, you will need to recalibrate the needle using instructions here:
http://fierosails.com/tempgage.html If you wish to prevent this problem from reoccurring, this page details that also. On my 1987 SE, I found that removing the green wire terminal on the ignition worked perfectly well even though it's claimed that it only works on 1984 cars. To quote from the above article:
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" Here is the clever fix suggested by Steve:
Leave the factory wiring as-is (do not swap wires as in our procedure above).
Follow the green wire from the temp gauge to the ignition switch. This green wire plugs into the multi-pin plug on the ignition switch in either the G1 position or the G2 positon. (Steve said this wire in his '84 was in the G2 position but Josh French foud it at G1. The important point is to remove the double wire whether it's at G1 or G2.)
Pull the wire out of the plug, wrap some electrical tape around it so it will not ground to anything, and you are done. The "bulb-test" feature is now bypassed!
The ignition switch plug is a little out of the way - under the dash, on top of the steering column.
NOTE: This fix will eliminate the "pegging needle" problem but will not enable the "Bulb Test" feature for the Temp Warning light. "
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