97 7.3L Runs but cuts out when warmed up. - Ford Powerstroke Diesel Forum
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Old 09-15-2008, 07:33 AM
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97 7.3L Runs but cuts out when warmed up.

I have a 97 7.3L Diesel 3.4 Ton P/U. Starts fine, last week replaced fuel filter. I can drive the truck for a good 30 minutes. Everything is fine, good power, no troubles. Then it will start to miss and kick out. I have trouble giving any pedal to it at all. I can stop and it will idle fine. Start up again and same problem. If I let it cool down. It will be good for another 20 minutes running fine. Is the problem in the fuel pump or possibly the High Output Oil Pump? I am fit to be tied!!!

Jaybo20.
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Old 10-07-2008, 05:56 PM
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When was your last oil change? If your oil gets old and thinned out, it came mess with your injection pressure. Or maybe check out your ipr.
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Old 10-07-2008, 06:03 PM
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is oil full and in good shape , i would want to know what fuel pressure is for sure
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Old 10-07-2008, 07:34 PM
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it is the CAMSHAFT POSITION SENSOR. my 97 did the same thing. go to a international part shop. they are WAY cheaer than ford
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Old 10-09-2008, 06:39 AM
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I changed out the Camshaft Position Sensor last night, I will test the vehicle today. The oil and filter are new. I have also replaced the Vaccum pump and Fuel Pump. I am hoping this will be all that is wrong with this truck. Thanks for your imput.

Jay in Huachuca City.
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Old 10-09-2008, 06:49 AM
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Quote:
Originally Posted by red97 View Post
it is the CAMSHAFT POSITION SENSOR. my 97 did the same thing. go to a international part shop. they are WAY cheaer than ford
it is a possibilty but not always the case inwhich some people think so, i dont tell people to buy parts unless diag has been done , hopefully that will take care of it but always run diag before throwing parts at it
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Old 10-09-2008, 06:51 AM
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Quote:
Originally Posted by jaybo20 View Post
I have a 97 7.3L Diesel 3.4 Ton P/U. Starts fine, last week replaced fuel filter. I can drive the truck for a good 30 minutes. Everything is fine, good power, no troubles. Then it will start to miss and kick out. I have trouble giving any pedal to it at all. I can stop and it will idle fine. Start up again and same problem. If I let it cool down. It will be good for another 20 minutes running fine. Is the problem in the fuel pump or possibly the High Output Oil Pump? I am fit to be tied!!!

Jaybo20.
had similar problems a few months ago, went to my mechanic and got the codes. ended up being my IDM was dying.
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