Hi,
The timing belt in and of itself won't cause a loss of spark. By chance, do you have a scan tool that has live data? If you do, could you check if there is an RPM signal while the engine is cranking? If there isn't, check to make sure the crankshaft position sensor is still connected and not damaged. It's at the rear of the engine, so I'm doubtful that it was touched, but that is my first suspect when there is no spark at the plugs.
Let me know.
Joe
See pic below for CKP sensor location. It's on the passenger side of the engine/transmission.
Image (Click to make bigger)
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Wednesday, April 19th, 2023 AT 6:08 PM