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post #1 of 55 Old 08-07-2007, 07:11 PM Thread Starter
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help me

Here is the deal. I have a 99 f-250 7.3l psd. My wife was pulling out of a parking lot and the truck died. I have changed the crank shaft postion sensor, and checked the oil in the hpop. When i turn the key the engine turns over but dose not fire. Today i got it to start by spraying some either in the intake. It would stay running as long as you were on the gas. As soon as you would let off to let it idol it would die. Does any one have any suggustions on what may be the problem??????? Thanks Justin
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post #2 of 55 Old 08-07-2007, 07:14 PM
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Hey Justin. Welcome to the site. Cant help ya but will get this back to the top for some one that can help to see it.

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post #3 of 55 Old 08-07-2007, 07:17 PM
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try replacing the cam position sensor

2004 Excursion
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post #4 of 55 Old 08-07-2007, 07:26 PM
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Quote:
Originally Posted by stump0331 View Post
try replacing the cam position sensor
he said he already tried that one. i have no suggestions.

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post #5 of 55 Old 08-07-2007, 07:30 PM
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Throttle position sensor??
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post #6 of 55 Old 08-07-2007, 07:31 PM
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he tried crank postion sensor

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post #7 of 55 Old 08-07-2007, 08:14 PM
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have you changed the fuel filter? I've also read where guys have bought new cps's, and they were bad straight out of the box. If you can get the cheap one's, you might try another one

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post #8 of 55 Old 08-08-2007, 05:45 PM Thread Starter
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He has tried 3 cps's... He had the problem with them being bad right out of the box too. Where is the throttle position sensor??? We are new to the deisle engines, not real sure where every thing is located... Now the Crank position sensor is towards the front under the body correct????? Where is the cam position sensor? Thanks Danielle ( the wife--haha)
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post #9 of 55 Old 08-08-2007, 05:51 PM
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The throttle position sensor is on the pedal. Its a fly by wire setup per say all electronic. Here is a writeup for the cps. Sounds like a fuel issue to me 7.3 Cam sensor replacement procedure

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post #10 of 55 Old 08-08-2007, 05:52 PM
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have you checked the oil level in this truck, and has anyone pulled codes

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