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Originally Posted by Fasterthanyou
I have an idea... replace CTS (coolant temp sensor).
If the ecm thinks the engine is cold it stays in open loop. When it does this, you'll be running richer than stoich hence the flooding of the engine on warm restarts. Try this for me and see if it works; Floor it while you're cranking after it fails to start warm. Obviously don't keep it floored when it catchs and fires but that should put the ecm into "clear flood" mode. When it's in this mode it doesn't fire the injectors or it commands a really high AFR which doesn't fire the injectors. When I mean floor it I mean peddle to the floor and no lifting, no pumping, just keep it floored until it starts.
Then replace the CTS sensor or first try cleaning the connector.
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thanks...where is the sensor on the engine?