About half of the ECU codes stored on the first & second generation EFI Toyotas don't show a constant blinking check engine light therefore you must pull the ECU codes to see if a fault is registered.
To pull the ECU codes:
All 1980-1995 and including 1995 EFI equipped vehicle allow you to find engine and related faults by pulling the ECU (computer) codes without the need for a handheld OBDII diagnosis scanner,the sites listed below have the fault codes needed to pull the codes and the instructions on how to do it:
http://autorepair.about.com/library/ts/bl-dtcs-10a.htm
http://www.off-road.com/toyota/tech/codes/index.html
http://www.geocities.com/MotorCity/P...ct/Engine.html
http://www.mad-mechanic.com/toyota/t...tml#obtaincode
http://www.freewebs.com/th3duke/22RE-ECU.mht
http://www.batauto.com/Toyota
http://www.anewtoronto.com/toyotacodes.htm
http://www.floathouse.com/ACE/Toyota.htm
http://www.showmesome.info/hilux/inf...E/Page0096.htm
http://www.efisakh.narod.ru/at_toyota.htm
http://www.usatransdoctor.com/foreigntoyota.htm
To reset ECU simply disconnect the battery or the 15 amp fuse found in the fuse box next to the dianostic box on passenger side fender for 1 minute or so.