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Look for vcacuum leaks.
Check the fuel pressure regulator.
Check the temp sensor which feeds the ECU.
Test the O2 sensor.
Replace ignition wires if they're more than 30K or a couple of years old.
Wipe the coil clean of road grime, and check the integrity of the 12v wire feeding it.
Other things to check:
- fuel pump relay (replace or re-solder)
- both fuel pump fuses (replace fuses, clean and pinch terminal contacts to increase pinch on the fuses)
- wiring at the main fuel pump (including ground)
- ATF level
- air filter box thermostat (disconnect the heater hose going to the box)
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