99 club car won't run when hot

[TDUNN]

Greetings all, I have a 99 club car and it is having an issue with not running when hot, I will run it for 20 minutes then it quits.
I have put 2 coils on, new carb, new fuel pump, new fuel lines, fuel filters,and new plug.
When it runs the fuel filter between the pump and engine is full of fuel, when it stops it is almost empty, it almost acts like vapor lock is this common ?
When it is in the not running state it will buck like it wants to start, when the cools went out no buck.
Any thoughts?

[jdgriner]

Inline spark tester will determine if it's spark related or not.... Your symptoms remind me of my 99 Club Car, but mine was the coil. Another heat-related failure which would also affect Spark is the rev limiter.
The rev limiter is at the bottom front of the engine, remove the screw holding the grounding wire, tape up the wire to ensure doesn't ground out, give it a test run

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[Ozzysgolfcarts]

Originally Posted by jdgriner

Inline spark tester will determine if it's spark related or not.... Your symptoms remind me of my 99 Club Car, but mine was the coil. Another heat-related failure which would also affect Spark is the rev limiter.
The rev limiter is at the bottom front of the engine, remove the screw holding the grounding wire, tape up the wire to ensure doesn't ground out, give it a test run

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Unhook the rev limitor or replace it.

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[jdgriner]

By unhooking the ground you disable it

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[TDUNN]

Thanks all, I will check for spark when it does it again, what are the chances of it being another bad coil, I have changed 2 this year?

[Jimmie]

Loosen the gas cap and see if it works for you, if it runs with a loose gas cap you have a vent stopped up. Replace the gas cap $4.00 at Lowes.