turning on the first time on 2005 Chevrolet Avalanche 1500

my truck won't turn on the first time all the time...it'll spin,but won't crank..turn the key back,turn the ignition..truck starts..why is that?

by in Slidell, LA on October 07, 2009
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3 answers 4 comments
ANSWER by , October 07, 2009
So are you hearing the starter motor spin, but you don't hear the engine turning over? If this is the case, I would check the starter solenoid.
COMMENT by , October 08, 2009
the engine turns...it tries to start,but won't...
COMMENT by , August 15, 2010
ANSWER by , May 11, 2010
Sounds like you need a new fuel pump. They go sour around 80K/miles. I had the same thing occur except I got 117K/miles out of mine.
COMMENT by , July 06, 2010
I have the same problem with my 2005 but when I had the fuel pump tested it had good and instantaneous pressure. The shop was unable to duplicate the problem at so we replaced the ~75$ relay that controls the fuel pump which did not help. This problem occurs ~30-40% of the time in normal use. Any other suggestions? I have not replaced plugs or wires or cleaned the injectors could this be part of the problem?
ANSWER by , July 16, 2011
are you getting a check engine light? Get'r'Scanned and see if you are getting a P0342 or P0341... Camshaft Position Sensor....
COMMENT by , November 14, 2014
I've got a 2002 z71 avalanche and have a similar problem. My truck works fine and has plenty of power when it wants to. It will not shut down while running but starts only when it wants to. The engine will turn but I don't have any power to the gauges that normally do. Fuel,voltage,etc.