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Old Jan 24, 2014 | 06:51 AM
  #1  
awillo0406's Avatar
awillo0406
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idling

Is it normal for the 7.3 to rev up to 1200 rpm and holdwhile idling will ddrop back to about 700 once the pedal is tapped
 
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Old Jan 24, 2014 | 07:01 AM
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Absolutely, it's how the engine keeps warm during cold temps
 
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Old Jan 24, 2014 | 07:02 AM
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Yes. The PCM controls the idle based on intake air temperature
 
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Old Jan 24, 2014 | 07:05 AM
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It must meet certain criteria before the PCM boosts the idle up. For an auto tranny it must be in park, the OAT & oil temps must be below a certain level, and the break pedal not depresses. You also should have the EBPV close making it sound like a giant leaf blower.
 
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Old Jan 24, 2014 | 07:19 AM
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The EBPV has been deleted (unplugged) how do I know if open or closed. Supposed to be always open
 
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Old Jan 24, 2014 | 08:03 AM
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Originally Posted by awillo0406
The EBPV has been deleted (unplugged) how do I know if open or closed. Supposed to be always open
mine's been deleted as well, disregard what I said about the EBPV .
 
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