Question about 2003 GMC Yukon XL
There will be fault codes if you use the correct scanner that has the right protocols for the car system
the problem will be faulty injectors ( squirting and not atomizing) or the fuel pressure is too low to crack the injectors
take it to an accredited specialist diesel shop for a proper diagnosis and quote
continue to use easy start and you will have more than a no start problem as that has the capability of blowing a rod through the sump
Posted on Jul 26, 2017
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Posted on Jan 02, 2017
Take carborator cleaner. First take off the big hose on the front of your intake then press gas peddal to open up and then spray it inside this fixed my problem. Jerry
Posted on Oct 13, 2008
your getting too much air in chamber on igintion probly cause by a faulty intake and or a faulty tps (throttle positioning sensor) sounds like intake is sucking more air that fuel which is giving a bad air fuel mix in chamber also try checking your mass air could be faulty as well
Posted on Feb 10, 2009
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