Diagnose this engine problem if you can

[showcrop]

Have you checked compression?

 

[Duner Wi]

Just for fun, simple, easy, cheap and fast. Let's shut off the fuel and run it on a weed burner to verify the rich running condition.

 

[jCarroll]

Why not use a vacuum gage and eliminate half a dozen possibilities?

 

[CEP ACB]

You say it has a Chrysler engine.
Does it have an external ballast resistor ?
Those can cause problems.

Oops I see that's a different machine

This post was edited by CEP ACB on 07/25/2023 at 05:02 pm.