1990 Buick Skylark, 3.3L - Won't Start

1990 Buick Skylark, 3.3L engine with problems.
It will not start. It has no spark and no injection pulse.
When it gets hot the engine starts slowly.

Any assistance you can offer would be greatly appreciated.
Thank.
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Vze27xjh wrote:

Crank sensor and/or ecu. Could be other things, too, but check those first.
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