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Old Dec 14, 2006 | 10:09 AM
  #1  
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clay
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idle

i have a 95 powerstroke with a dps chip when it starts up in the morning the CEL will come on and idle rough but if you let it warm up it will quit but when it quits you will be driving and you want to stop it will stumble and die like it is running out of fuel could it be the CPS?
 
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Old Dec 14, 2006 | 11:25 AM
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tjbeggs
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best thing to do would be to check that code set when the check engine light came on. That will give us a good starting point.

when you say it warms and quits are you referring to the rought idle or the engine quits? Also when was the last time the fuel filter was done? It could be starving for fuel. Have you tried starting in the stock setting or removing the chip?
 
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Old Dec 14, 2006 | 03:37 PM
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one was a exhaust backpressure valve and the other one was icp above or below desire and when it warms up the rough idles quits and CEL goes off
 
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Old Dec 14, 2006 | 04:11 PM
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try to start it with the ICP unplugged and see if that makes any difference.
 
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