Question about 2005 GMC Yukon Xl Denali

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Hard to start, like no fuel, once started no problems. Used to start as soon as you hit the key now I must try twice or three times before it stats.

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  • Efstathios Govas May 11, 2010

    what size engine? how many miles on it?? and did it just start doing this recently with the colder mornings??

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  • 21 Answers

If your engine is feul injected then it sounds as if the cold start sensor is faulty. It acts like a choke in normal aspirated engines, by allowing more feul into combustion chambers to allow qiucker starting. Suggest check all wiring plugs on the fuel system. Apply suitable cleaning solution to plugs if possible.

Posted on Sep 12, 2009

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