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03 cts, engine starts but takes a few seconds


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03 cts, v6...only error code P2500H

When you turn the key to start it takes about 5-8 seconds before it starts, i was told pushing on the accelerator doesnt do anything but if you dont push on the accelerator while trying to start it ....it will not start.

I changed the fuel filter (seemed to help on the first start) but on the next start back the same.

I have turned the key on and waited for the fuel pump to build up pressure and then start but that makes no difference either.

Is it my fuel pump?

If so do you have to pull the tank?

Thanks as always for the GREAT help i have gotton here!

Kentucky

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Is it my fuel pump?

Very possible, but the only way to tell is to gut a fuel pressure gauge on it. I don't know anything about the CTS so I don't know if there is an access panel or you have to drop the tank.

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