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Old 12-12-2007, 05:01 PM
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Next Question:1996 7.3 -310,500 miles

Rpm's-The truck idles at 600-650 rpm.Shouldn't it be around 800 or so?With that said sometimes sitting stopped or turning at slow speeds the engine will stop sometimes.Is there an adjustment that can be made or do you have to go into the injector pump to turn it up?thanks
tony
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  #2  
Old 12-12-2007, 05:16 PM
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Mine has always idled in around 600-650. Although when the engines cold it will rev higher - I've seen mine hit about 1000 at the coldest point, until it warms up and goes back to normal. I don't know about the engine stopping while turning or stopped... but someone will be along that can help in that department.
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Old 12-12-2007, 05:27 PM
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Mine also idles real low like that, Its normal. But the stopping part, I dont know, Never happend to me. On your truck, You cant turn up any pump, Only on the 7.3 IDI and the 6.9.
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Old 12-12-2007, 10:11 PM
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Idle speed sounds about right, keeping in mind that the tach on the dash is liable to be off 100-200 rpm either side. As for the stopping I can't help.
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Old 12-12-2007, 10:18 PM
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Lot of miles, may be the HPOP and injectors are loosing pressure, when it dips below 500psi, the engine controller (PCM) may be turning off the IDM (Injector Driver Module) which powers the injectors electrical system.
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Old 12-13-2007, 02:17 PM
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Do you have any mods when i turn my truck up all the way it will shut off when i come to a stop sign almost like it's getting to much fuel but if i turn it down a little it's fine
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Old 12-13-2007, 02:49 PM
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If you have an auto trans it could be the converter lockup staying locked. If so it would stay running when you stop if you kick it into natural, check that and let us know. The idle rpm is right.
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Old 12-13-2007, 04:20 PM
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If you have an auto trans it could be the converter lockup staying locked. If so it would stay running when you stop if you kick it into natural, check that and let us know. The idle rpm is right
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>
Andy,
I'II check that out and see if that works.I don't know much of the history of the truck.I know it starts up no matter how cold,doesn't smoke,don"t burn or leak oil,pulls anything I put behind it and drinks fuel.O yea I forgot something else:Its a auto with overdrive.When you start from cold and take off it takes about 4 or 5 miles before the transmission shifts into 4th(overdrive).I'm about to cover all the cons.Its still a smooth powerful old truck.
Thanks,tony
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Old 12-13-2007, 04:27 PM
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The cold shifting into OD is typical.

Truck has to warm up and get the oil flowing, I guess?
As far as the cutting off thing, that is wierd, especially if the truck starts right back up with no problem!
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