Ford 7.3L Power Stroke (1999-2003) :: 2002 - Motor Suddenly Started Shuttering And Then Shut Off - No Start
I am fairly new to powerstrokes, but have a general understanding how the 7.3l operates, and how the fuel system works.
The problem i am experiencing is a crank, no start. The truck has been great for the year and a half that i have owned it. Always cranked great and never any starting or running issues. One day upon cranking, i started the motor; it started normal running good for a minute until the motor suddenly started shuttering and then the motor shut off, happened rather quickly. The truck started up immediately after that and died....repeating the shutter until dead. Now the truck will not start.
Specs on truck:
2002 7.3l
230,000 miles
Manual transmission
Here's what i have replaced so far:
New parts include:
IPR (motorcraft)
ICP (motorcraft)
EBPV (napa)
CPS (napa)
IDM (reman)
Here are some of the diagnostic values i have collected during cranking: (FYI: i am a little confused on what the values mean and what they should be in order for the motor to start):
ICP: 2218 psi
ICP duty cycle: 41%
EBP: 265 kpa
battery voltage: 12.0
Rpm: 355
Things i have checked so far:
Oil is new and level is good.
WTS light cycles as normal.
Fuel bowl is full and over flows with cap off while cranking.
Fuel tank is above half.
Glow plug relay is good.
I was throwing a code for the PCM, but i removed the bully dog tuner and the code has since cleared.
HPOP oil is an inch below full.
I made a gauge set and dead headed HPOP yielding 1500psi.
Upon cranking i am seeing some smoke, i guess, but its kind of hard to tell from the drivers seat.
This is where i am at so far. I don't have a way to buzz test the injectors or tell if they are leaking past the orings. I have the valve covers removed, but i have been putting off pulling the injectors to replace the orings.
Ford F-150 - 1997-2003 :: Shuttering Pretty Alerting Under Light Load At 35 - 45mph - Codes P0302 And P0171
I have a 1998 F150 5.4L 4WD with 192k mi on it. Recently ( suddenly ) the vehicle began shuttering pretty alerting under light load at 35 - 45mph. The engine idle was intermittently smooth then rough. I quickly drove the truck home and ran a Trouble Code check with my Autoxray EZ-scan 4000 and found the two trouble codes P0302 and P0171. I have checked for vacuum hose cracks and found none.
Replaced the fuel filter, PCV valve, and cleaned the MAF sensor ( dirty ).
Right after cleaning the MAF sensor the idle remained smooth - but stumbling immediately when put in drive. Driving at 35-45mph still exhibits intermittent shuttering and occasional very short bursts of what feel like complete engine shut-down. This all is evident under light to moderate load .
At this point what would you recommend ? Replacing the O2 sensor bank #1 ? Or is there a possibility maybe the EGR valve is faulty - or another vacuum valve somewhere ? Intake manifold leak ?
The severe stumbling and very short complete engine shut downs would indicate that maybe the computer is failing or it's a fuel delivery issue? What rational steps to take next ?
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Made it home 450 miles but the right rear caliper is still dragging a little on the new rotor. Seems to be about 40F hotter than the left side. I have spent the day trying to find replacements and can find the left side in one piece but not the right side. I have looked at the the union where the hose and line connect and there is no hex on the line side of the fitting its just round. You can see where the mechanic put a pipe wrench on the round and tried to break the two pieces apart but no luck.
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Ford F-150 - 1997-2003 :: 2002 - Front Seats Higher Than Rear - Remove Coil Spacers?
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