where do I start?
0308. Do a compression test. If 0 the engine is toast. And you should stop. Did some already do this test and tell you this?
if compression test is good....for the 246c - remove the dpf and have it cleaned, replaced, or if you want to invest in a few gallons of parts cleaner you could soak it using a tall kitchen trash can . Soak it for a few days.
the 0405 is a common problem on the 08’s . Start buy buying a new #3 egt sensor
You are in reduced power mode becuase of the dpf. The 0273 and 0263 could be the root cuase. This could be clogged injectors, worn rocker tips, dropped rocker ball, bent push rods, lifter problems, can lobe problems. If the compression test checks out ok, you can try to clean the injectors by removing the engine bay fuel filter cover, pour 2 ounces of injector cleaner in the bowl, reassemble, turn it over a few times, repeat until you use up the bottle of cleaner. If this does. It work, likey to be a valve train mechanical problem.
the 1000 is a simple drive cycle
clear the above up before dealing with the 2403 and 1335
the compression test is the critical step. You are wasting your time on this engine if it fails the compression test.
was this running when you bought it or is this a barn yard dog that you are thinking about buying.
Good luck.
if it passes....clean the dpf to take it out of reduce power mode
try to clean the injectors before doin valve train sugery
check to make sure you oil is not fuel contaminated.
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I saw him pulling the same rig last week and he said his truck was constantly in regen. I told him I had spare egt sens if he wanted to see if that was the problem.
In front of my eyes, he went over a stump and wrapped the entire exhaust under his rear axle from the dpf back.
Including the sensors 2 and 3.
Truck had no codes, ran better as per him, and no more regen with a straight thru exhaust. Sounded like a prison alarm, but notably, it ran very smooth.
JS
Denny
Ford Trucks for Ford Truck Enthusiasts
So with out the dpf, and no tune it will still regen, even if not commanded?
He strait piped after that, haven't seen him since. He's probably toast lol. (and I don't think he replaced the sensors.)
Thanx Fritz
Denny
you are going to do both sides, complete rocker assy, push rods, and saddle bridges? correct
you know you have to replace the 1 time use fuel lines to the injectors...these have to be removed in order to pull the rockers. you will need a crows foot socket to drag torque the fuel lines correctly. if not done right, they will leak. also, when you re-assemble the fuel lines, partially install the injector side (seated but not torqued..should be able to move), turn up the line and get a syringe and squirt some fuel into the line so that the injectors will be primed...then follow the correct fuel line install procedure.
if you have not ordered the push rods yet, you should buy the stage 1 chrome moly rods a few folks sell. brand does not matter as long as they are stage 1. stage 1's have thicker tube walls and will not bend.
there is a procedure to rotate the crank to do rocker torque. this is to prevent a lifter that is pressurized with oil from bending a rod.. If you have trouble with this procedure as I did, my crank would not turn by hand....you will have to let the lifters bleed their oil....what I did was to partially install all the rockers, rods, saddles, enough to keep everything in place. then I went thru and snugged all the bolts evenly rotating across all the bolts on both sides ....when I felt the bolts get just start to get tight. I stopped on each bolt. I let the rockers sit for 15 minutes. Then started to torque them 1 at a time starting with 10 , waiting 15 minute, upping the torque wrench another 10...tighten each bolt...wait 15 more minutes...repeat until you get to your final torque. This way the oil bleeds out of the lifters and you don't bend a push rod. if you can manually turn the crank....that is the preferred procedure.
when I removed my oil fill unit (which has the case vent) I cracked the line that goes from the case vent to the block (this is a oil recovery line). I had to trim both ends and install a rubber hose with clamps on both sides. check that.
you never answered my question about if you have a seal or spacer on your engine that goes into the holes on the valve cover where the fuel line to the fuel rail goes thru. mine did not have one and I am getting smoke on both sides thru this hole. the next time I take my cover off, Im going to invent some kind of seal. if yours has a seal or spacer can you post a pic so I can investigate.
go down to autozone or what ever parts store you use and by some assembly lube and put the lube on all the tips, saddles, both ends of push rods, etc.
also, you have to do something about your clogged cat converter....its going to go right into wrench mode if you do not resolve and your going to think your rocker job got all screwed up. I would pull the DPF and soak it in solvent for a few days using a plastic kitchen trash can. you can buy a few gallons of parts cleaner, use diesel, kerosene, etc. I would not use gasoline as that is very combustible. or if you can find someone that does it...you can send it out to have it baked. or buy a new or used one.







