1994.5 - 1997 7.3L Power Stroke Diesel  

ngs and oil pressure

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  #16  
Old 02-01-2008, 06:52 PM
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measured which one?

my fuel is at 80 psi at idle, never checked while driving yet, and i have played with ngs and wds many times before while screwing with the truck's sensors
 
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Old 02-01-2008, 06:55 PM
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Measured ICP. Wondering where the 450 came from.
 
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Old 02-01-2008, 06:55 PM
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Originally Posted by c00nhunterjoe
measured which one?

my fuel is at 80 psi at idle, never checked while driving yet, and i have played with ngs and wds many times before while screwing with the truck's sensors
HP oil pressure,,,,,
 
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Old 02-01-2008, 07:02 PM
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Originally Posted by Action4478
HP oil pressure,,,,,
Rick did you get the truck in base coat?
 
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Old 02-01-2008, 07:07 PM
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Originally Posted by tjbeggs
Rick did you get the truck in base coat?
...Done....

It was a beeeoch.. ....
 
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Old 02-01-2008, 07:08 PM
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color match problems?? is just the base done or you have clear on it too?
 
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Old 02-01-2008, 07:10 PM
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ah, ok, yes i measure via ngs to check my ipr duty cycle and i checked manualy with a voltmeter for a before resistor and after resistor voltage reading on the signal circuit and the drop in voltage indicated that psi when i consulted with my icp voltage chart
 
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Old 02-01-2008, 07:11 PM
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Originally Posted by tjbeggs
color match problems?? is just the base done or you have clear on it too?
Color match prob big time ,,clear on ,,,done
 
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Old 02-01-2008, 07:12 PM
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ok so you just measured voltage before the resistor. Should give a pretty accurate measurement. Maybe one of these days I will get the right fitting to hook up a guage and do some 10K mod resistor testing. probably not though! I have plenty of other projects to work on.
 
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Old 02-01-2008, 07:13 PM
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Originally Posted by Action4478
Color match prob big time ,,clear on ,,,done
Good deal!!
 
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Old 02-01-2008, 07:14 PM
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Originally Posted by c00nhunterjoe
ah, ok, yes i measure via ngs to check my ipr duty cycle and i checked manualy with a voltmeter for a before resistor and after resistor voltage reading on the signal circuit and the drop in voltage indicated that psi when i consulted with my icp voltage chart
Have you ever used a guage to see what you really have ?...

Scanners will Lie to ya.......
 
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Old 02-01-2008, 07:23 PM
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i measured before and after the resistor so i could get as accurate as possible,

i do not have a high pressure oil gauge, its on the list but its so new they are really expensive still. i have a lot of ford experiance and the ford scanners dont lie, they are as accurate as the sensor they are reading and based on my readings i feel they are on.
 
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Old 02-01-2008, 07:30 PM
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Originally Posted by c00nhunterjoe
i measured before and after the resistor so i could get as accurate as possible,

i do not have a high pressure oil gauge, its on the list but its so new they are really expensive still. i have a lot of ford experiance and the ford scanners dont lie, they are as accurate as the sensor they are reading and based on my readings i feel they are on.
Whan it comes to ICP & the sensor (Mods ) ,,,Mine can & does lie...not sure about yours...


Very naughty....(bad scanner , Bad)
 
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Old 02-01-2008, 08:32 PM
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The scan is a calculated not actual.
If you install a mechanical gauge you will get better #s.

c00n
On the scan watch the fuel PW, MFDES, and the VFDES.
Look at them under power and when it falls on its face.
It could be the program and not fuel pressure/vol. It acts as a fuel limitter.
Its sort of the same thing as a gasser on the RPM limitter.

Bill
 
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Old 02-01-2008, 10:35 PM
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i will check them tomarrow on the way to work but i dont see how they could be affected by icp, it should still command the same amount regardless. as long as it isnt overboosting(verified its not) and the icp isnt too high(verified its not) and the other sensors are in spec then the pcm shouldnt be limiting the injecotrs? also no codes, doesnt matter how long you leave it on the floor stumbling and carrying on

action, yes with the resistor in place the scanner reading is incorrect, it shows the voltage that the resistor is sending, not the sensor itself, i can tell what the true reading is based on my previous tests with a voltmeter, and also the ipr is a true reading. it increases to get the icp back up the the level the pcm wants to see
 


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