Join Date: Aug 2010
Location: Sassamansville, Pa
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The sad part is, the things you had repaired usually fail from other underlying issues.
Usually the EGR cooler fails because the oil cooler gets blocked up. There are coolant passages that also run thru the oil cooler to cool the oil, these very tiny coolant passages get clogged up from silicate drop out and casting sand. When the coolant passages in the oil cooler get blocked, coolant can't get to the EGR cooler. Now that the EGR cooler is not getting any coolant, the super heated exhaust gases are causing the thin metal pleats in the EGR cooler the expand and shrink to the point of failure, causing either coolant to enter the intake or making the degas bottle to puke.
The original STC fitting was just a bad design.
You usually run into injector issues from poor maintenance, weak FICM, or low fuel pressure. When fuel pressure drops below 45psi at any given load (idle to WOT) can cause injector failure. If your FICM voltage puts out less than 46 volts at any/all of the test positions, your not getting the full amount of power required to operate the injectors causing them to fail.
Hope fully you mechanic tested the ficm according to procedure, alog with hooking up a fuel psi gauge and to check psi at idle to WOT. He also needed to check the delta between the EOT and ECT to see if the oil cooler is blocked, more than 15* in temp difference is telling you your oil cooler is getting or has clogged up.
2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB