Won't idle after warm up

robinson

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1995 F350 just replaced fuel injector, Started up and ran for a while but it seems after warm up it shuts down and will only start with help. But it will not idle. I have no clue what is wrong.:dunno
 

bbressler

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How long have you run it since replacing the injector? There may be air in either the fuel or oil lines that you need to purge --- by taking it on a good long run (40 - 60 miles) at highway speeds.
 

bbressler

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Oh....BTW -- Welcome to SDD!

When you get time, fill out your sig so we know more about your truck...
 

robinson

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Took truck for a ride after injector change running fine but after about 6 miles some white smoke come out of the tail pipe and when i stopped at light it died out was able to start using some starter fluid and drove it home no smoke then but died out in driveway.
 

bbressler

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I'd try to get on the interstate and run it like you stole it for a while....someone with some more exp will chime in pretty quick..
 

95_stroker

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What is the condition of the IPR valve and o-rings? I wouldnt recommend using ether unless you disable the glow plugs, (unhook GPR).
 

95_stroker

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IPR = Injection Pressure Regulator Valve. It regulates the high pressure oil to the injectors. If it sticks open or has bad o-rings it cant build sufficient HPO for injector operation. It is located in the lower left rear side of the HPOP.
 

robinson

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Took truck for a long ride (70Miles) today worked fine while RPM's were high but when i stopped it would not idle and died out. I am going to check the IPR but not sure what i an looking for or if i need to drain the oil. All I see on the back of the HPOP looks like a plug please help with more info.
 

action4478

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Took truck for a long ride (70Miles) today worked fine while RPM's were high but when i stopped it would not idle and died out. I am going to check the IPR but not sure what i an looking for or if i need to drain the oil. All I see on the back of the HPOP looks like a plug please help with more info.


IPR instructions ....here....

If you take it apart, ignore the pic of the wrench on the threads, It goes on the small barrel...

Are you sure that an injector o ring didn't get nicked during install?
 

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