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  #1  
Old 01-26-2011, 08:09 AM
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Cranking but not firing..

I am sitting in a walgreens parking lot just drove up here just fine, I buy stuff come out and it won't start. It is cranking but won't catch, tach is working all gauges working fuel pump is humming.... Any suggestions before I call AAA??
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Old 01-26-2011, 08:48 AM
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is the wait to start light coming on? If not its a fuse but you must unplug the fuel heater bowl then fix the fuse.
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Old 01-26-2011, 10:06 AM
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Yeah wait light comes on
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Old 01-26-2011, 10:09 AM
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You need to get a hold of a scan tool and monitor the ICP and IPR readings.
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Old 01-26-2011, 10:10 AM
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you can try unplugging the icp sensor and see if it starts. If its that with it unplugged it will o to a defualt setting which should idle the truck
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Old 01-26-2011, 10:23 AM
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IPR needs to be at least 500 psi to start and the ICP needs to be at least .85 volts

Last edited by dhanna6powerstroke; 01-26-2011 at 10:34 AM.
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Old 01-26-2011, 10:30 AM
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Quote:
Originally Posted by dhanna6powerstroke View Post
IPR needs to be at least 500 psi to start and the ICP needs to be at least .85
icp needs to be at least 500 and ipr should be no more than 45 percent to start , if ipr duty cycle goes to 85 percent then its closing off to far , and there is a problem, icp voltage may be around .85 to .90
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Old 01-26-2011, 10:34 AM
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Quote:
Originally Posted by SCUFFY828 View Post
icp needs to be at least 500 and ipr should be no more than 45 percent to start , if ipr duty cycle goes to 85 percent then its closing off to far , and there is a problem, icp voltage may be around .85 to .90
Oops, I had those backwards.
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Old 01-26-2011, 10:35 AM
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Originally Posted by dhanna6powerstroke View Post
Oops, I had those backwards.
just messin with ya
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  #10  
Old 01-26-2011, 10:44 AM
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just messin with ya
Gotta be wrong sometime
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