it is the fule cut off switch all is ok
1 300 rpm
Check the EGR valve.
look for a loose vacuum line.
Probably have a misfire or lean fuel mix NELSON
Needs a recharge
check the idle control valve not that hard to replace and inexpensive
your car is idleing to high you need to have that looked at your car is idleing to high you need to have that looked at
Look and listen for a vacumn leak under the hood.
You probably have a cracked EGR tube The Fiero Store has replacements Google them
check the overload relay part # 201.540.32.45
air in the lines, bad fuel, dirty air filter, need more info to properly troubleshoot
If it is stalling when putting it into gear but not while idleing I would check your mass air flow sensor. It may need to be cleaned or replaced. If it is stalling when putting it into gear but not while idleing I would check your mass air flow sensor. It may need to be cleaned or replaced.