It's a CIS car, you want to invest in a CIS fuel pressure testing kit. Mid-priced ones work fairly well if you are handy.
There are spec's someplace for fuel pressure when the engine is cold & hot. There's probably a spec for how long pressure should hold once the engine is turned off, but's it's been a while, so I forget.
It's the kind of thing where you have to be patient and go by the specs, in a given order to ensure correct idle, CO%, pressures, ignition, etc. If you get through all the tests from one end to the other, something sure works.
-CTH
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