Hi,
Based on what you described, this sounds more like an electrical issue. When you say the engine revved when you touched the plate light, was the wire bare and possibly shorted? Also, are the battery terminals, clean, tight, and the cables in good condition? If you haven't already, check them and also make sure the ground wire to the engine block is in good condition.
If you suspect it isn't getting fuel, here is a link that explains how to test fuel pump pressure:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
You will need a fuel pressure gauge for this, but most parts stores will lend one to you. Additionally, I attached the fuel pressure specifications below for you.
Another way to determine if it is a fuel related issue is to see if it starts using starting fluid. If it does and then stalls, then it is likely a fuel problem. If there is no change whatsoever, confirm there is spark at the spark plugs.
Here is a link that shows how to check:
https://www.2carpros.com/articles/how-to-check-for-ignition-spark
Let me know what you find or if you have questions. Note that the idea it stalled when you touched the throttle does sound somewhat like a fuel pressure issue.
Take care,
Joe
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Friday, August 30th, 2024 AT 8:43 PM