2005 Ford F350 6.0L Check Engine-P0401 EGR Code-No Power-No Boost!
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- เผยแพร่เมื่อ 10 ส.ค. 2020
- A simple fix for the 2005 F350 6.0L that showed up at the shop with check engine light on and no power!
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I wish I New how to fix cars 😊👌❤️
PLEASE HEEEEEEEELP!!!!
I’m having the exact same problem. Swapped turbos, replaced egr, leaned the nipple on the Intake, changed the hose to the MAP sensor, replaced the MAP sensor, replaced air cleaner, and I STILL get -2.1 psi boost at idle and around 5.0 psi on the freeway. Now sporadically after engine is hot I can get a laaaazy 12-14psi under about 75-85% throttle, but not for long, and the boost goes up and down fluctuating under a load between 11-14psi during that time.
Under light acceleration on the street the truck pulls smooth.
When the boost show low or sub zero engine idle is rough. When boost shows 2.7-3.5 psi at idle engine idles great and pulls off great will lay you back in the seat. But that only happens when the EGR is either freshly cleaned or when it’s first replaced. Then after 5-10 minutes that dream goes away.
Ficm main power shows a steady 47.5-48.0 volts.
The sync monitor on the scan gauge shows 1 indicating crank and cam sensors are working properly, I changed the fuel filters, and the oil yesterday now running STP 15w40, ICP SHOWS 583 at idle and as much as 3700 under acceleration getting on freeway or a hard pull, IPR occasionally shows 73.3 but rare. I have seen high 60’s frequently.
Guys I’ve done about everything I could think of or know of…..what’s next EBP tube and sensor ??? I’m starting a new turbo build with a 10 blade balanced assembly from KC. VGT vanes have always been in the back of my mind and has never really left. That prompted the turbo build. I often wonder if a plugged cat could potentially create such a problem as well.
I need all the pointers and advice I can get. Has anyone dealt with this type issue before? This truck is all stock except for the air cleaner which came with the swapped turbo. I haven’t tuned or changed anything else from factory parameters or specs. I noticed there are no rubber grommets on the FICM. I’m wondering if vibration over the years could have had its effect on the FICM? Everything is pretty much original on this truck 2005 Excursion 6.0 with 186,000 miles. Up til this happened all she ever asked me for was a HPOP and an alternator. This has been the most dependable 6.0 ever. Just under friggin powered and I can’t figure it out!!!!
HEEEEEEEELP!!!! 😂😂😂😂😂
Did you ever figure your issue out?
This is what I’m chasing! Anyone else have a fix, I’ve replaced sensors and valve, I’m thinking egr cooler is clogged?
If that were the case it should be easy to see! Take a peek with a borescope! Pull the actual valve so you can see it then run an actuation test through software! Also check for cac leaks, intake manifold leaks, exhaust leaks at manifold and flanges, etc.
Did you ever find out what was wrong with it? Mine threw an 0405 code then I clean the EGR valve and it threw an 0404 code saying the same exact thing. It’s an aftermarket one I might put a good one back in and check the vacuum hose as well. My truck is running perfect I just can’t get the goddamn light to go off on the dash. Never again will I buy a vehicle that has smog on it. Pre-1975 baby