Question about 2002 Ford F250 Super Duty SuperCab

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How much injector oil pressure should I have with just starter spinning over no crank and pours white smoke out exhaust

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Here's you some info from a ford manual.
you can use any scan tool that will rear ICP pressure and RPM. you need at least 100 RPM while cranking.

Check oil level and quality first. if its low, it may not start, if it's old it may aerate easily(mix with air easily)

If the smoke is white/gray and smells like raw diesel, you possibly have a stuck open/Leaking Injector, Leaking injector O-Ring Seal. A failed glow plug system, can make white smoke as I am unsure of the cranking temp. if it is Blue/White there may be a compression ring issue.

A note on 7.3L injectors!!!! ALL of the Injectors are the same EXCEPT #8 (Last one on the Driver's side) It is a "Cackle" Injector. It looks the same but is slightly different. It even has a different part number in our Ford Catalog.

I hope that helps you let me know if you need anymore info.

Rick



Tools Required:
New Generation Star (NGS) Tester 007-00500 or equivalent

9c. Monitor ICP While Cranking (min 500 psi @100 RPM)
Purpose:
To determine if the injection control system can supply enough injection control pressure to sustain starting.
How much injector oil pressure should I have with  - much-injector-oil-pressure-just-starter-ccu5ej1tcfbj3pe04s4es3xr-4-0.gif


Recommended Procedure:
Install NGS Tester. Access ICP and IPR PIDs on NGS Tester, and monitor PID readings while cranking the engine.
Note: CMP signal is required before IPR is commanded above 14%.
If ICP does not meet the minimum specification of 3450 kPa (500 psi), the injectors will not be enabled by the PCM because of insufficient rail pressure.
If IPR goes above 14%, ICP pressure should easily go above 3.4 MPa (500 psi) provided that the oil reservoir is full, the IPR valve is not stuck open, the high pressure pump is building pressure and there is not an injection control pressure leak between the high pressure pump and all of the injectors.
Possible Causes:

  • Injection control pressure system leak
  • Oil reservoir level low
  • IPR failure (sticking open)
  • Faulty high pressure pump
  • Injector O-ring leaking

Make sure this is full of oil 15W40

Posted on Nov 23, 2014

  • Ricky Dalme Nov 23, 2014

    Also if a leaking head gasket as swede760 mentioned, can be noted as the engine rotates over it will sound like there is a skip in the engine, as one or more cylinders lack compression, it can translate in the sound of the starter turning, as in a loaded then lighter load. A ford IDS can do a Relative compression test and find that in a matter of minutes

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Injectors provide Fuel not oil. and if you are getting White Smoke it is not smoke, it is steam so you may have a tank full of water or a blown head gasket, cracked head or cracked block. If there is water in the oil it will make it a nasty brown cream and you have a problem in the Block. If you have oil in the Coolant you have a blown head gasket or cracked head.

Posted on Nov 23, 2014

  • Ricky Dalme Nov 23, 2014

    Swede760, The Ford 7.3L uses high pressure oil to provide the pressurization if the fuel at the injector to inject it into the cylinder similar to a Ford 6.0L Both engines were designed by International/Navastar

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