Not Startng on 1990 Volvo 740

1992 Volvo 740 will not start.There is spark.
New plug wires , new coil.
Regina type engine.

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1 answer
Several possibilities: http://repairpal.com/volvo-740-1990/common_problems
Check DTC's, You may find a 2-1-4 code for the RPM Sensor. Replace it if you do.
Here is how you check the codeCode descriptions: s: http://volvospeed.com/CheckEngine.php
Code Descriptions: http://volvospeed.com/vs_forum/index.php/topic/47502-dtc-information/