Question about 2003 Chevrolet Suburban 1500

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My 2003 Suburban takes two cranks to start the engine. However, if its colder and I turn the key to the first position and hold it for 5 seconds it will usually start on the first crank? Do you know what is wrong?

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This is more than likely related to the electric fuel pump or something downstream in the fuel system. turning the key on and wating a few seconds before starting allows the pump to pressurize the system. Might also be a bad fuel filter, but the key here is keying up and waiting and then a immediate start, that is what leads me to this solution.

Hope this helps.

I always key up and wait a second or two on all my vehicles, to pressurize the system, then turn the engine over. I have learned this is good practice with any vehicle I have owned..

Hope this helps.

Posted on Oct 04, 2010

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