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Truck starts and runs for 2-3 minutes then dies

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Old Apr 19, 2016 | 02:38 PM
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Wonder if it's getting too much gas..... Try stomping the pedal to the floor, and holding it there, while cranking.
 
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Old Apr 19, 2016 | 04:21 PM
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Originally Posted by HeyYou
Wonder if it's getting too much gas..... Try stomping the pedal to the floor, and holding it there, while cranking.
I've done that just about everytime that is has died. Still nothing
 
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Old Apr 19, 2016 | 04:45 PM
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This is where a scanner comes in handy. It can tell you what the PCM thinks is going on.....
 
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Old Apr 19, 2016 | 07:17 PM
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Originally Posted by HeyYou
This is where a scanner comes in handy. It can tell you what the PCM thinks is going on.....
The scanner doesn't read Anything no code, no misfires, noting
 
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Old Apr 19, 2016 | 07:24 PM
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Originally Posted by kussy99
The scanner doesn't read Anything no code, no misfires, noting
It's burning oil, blue smoke coming out of the exhaust
 
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Old Apr 19, 2016 | 08:16 PM
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I am more interested in data. What the PCM thinks engine temp is, throttle position, is it seeing the engine turning? Is it getting cam position info??
 
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Old Apr 19, 2016 | 10:42 PM
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Originally Posted by HeyYou
I am more interested in data. What the PCM thinks engine temp is, throttle position, is it seeing the engine turning? Is it getting cam position info??
I cleaned the PCM connector s and ground wire, the IAC, maps, throttle position censors. Fired it up and let it run for an hour. Slightly fluxuated while idling but didn't die. Shut it off started it again and it fired up fine.
 
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Old Apr 20, 2016 | 10:07 AM
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Is the rubber flap over the connectors still there? Is the seal at the back of the hood still there?

Yeah, sometimes the connectors will corrode, and give you some odd and strange behavior.
 
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Old Apr 21, 2016 | 12:11 AM
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Originally Posted by HeyYou
Is the rubber flap over the connectors still there? Is the seal at the back of the hood still there?

Yeah, sometimes the connectors will corrode, and give you some odd and strange behavior.
Seal at the hood is there ,nothing over the connectors,going to look into that now. Thank you for you help
 
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