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Hi, my name is ***** ***** is most likely a partially plugged cat converter in the exhaust, how many miles do you have on this?
Can you check spark at the plugs when cranking with a spark tester? and let me know if you have spark at the plugs when cranking?
If you have spark at the spark plugs, then try spraying some starting fluid directly into the air intake and see if it will run briefly or hit on starting fluid. Do you have a fuel pressure gauge by chance?
No, this question will last as long as we respond to it. Alright if it has spark but will not hit on starting fluid, then I would check compression next. Should have around 120-130 psi compression on each cylinder.
You would need a compression gauge to check it, that is the only way. You can get one from local auto parts store tool loaner program. If it has spark, and you can't get it to hit with starting fluid, I would check compression next to be sure the base engine is alright.