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Engine turns over but will not start

(1990 Buick LeSabre)
in Hogansville, GA on January 28, 2015
It started and ran fine, then I parked it for an hour and have the problem above. Connected spark plug tester and ignition is functioning. Connected "noid" tester to injector harness and it blinks when engine turned over (injectors receiving pulses). Fuel pressure tested at 42 psi at fuel rail. So it's getting sparks, has adequate fuel pressure and the injectors are receiving "pulses" to operate. Removed a plug & it has good color and is not fouled. TPS sensor has .46 volts at idle and 4.8 at wide open throttle (working properly). Does anyone have an idea as to what the problem might be that would still result in the conditions above ?
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Popular Answer
of Greg's Orange Auto on January 28, 2015
ck fuel pressure and spark
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on January 28, 2015
Read the text..fuel pressure 42 psi & plugs sparking, Thank You
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