Ford 6.0L Power Stroke Diesel :: Air Leak / Slow Turbo Response / Code P0299
Jul 10, 2015
I am fairly new to working on diesel engines. I was towing a camp trailer and got a P0299, Turbo Charger Underboost engine code. I never gotten any other codes other than this one when towing. I decided to pull the turbo and clean the vanes. Everything seemed to go back together good but now I hear what sounds like an air leak coming from the turbo area. The boots on the intercooler pipe are in good shape, I only loosened the clamps at the intercooler and the turbo. Left the boots on the pipe. I have tightened the clamps around the exhaust pipe connections with no change. I also seem to get a slower response from the turbo and possibly not as much psi as normal (according to dashboard gauge). I have driven the truck five or ten miles trying to work the turbo and have not gotten any engine codes to this point.
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At 65 mph, egt was running between 1050-1150, turbo at 13-14 psi, rpm 2300. Code p0299 pops up. Before this the turbo would spool up to 28 psi going up hills. After it would not go over 16 and sounded funny. Truck is a 2005 excursion 4x4 with just under 200k miles . Trailer is about 10k pounds. No tuner. What do I need to be looking into? Is this too much for the truck to handle?
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I just got back from a trip across the state to see the Miami boat show! Truck was running just fine on the trip over, EOT/ECT delta around 9* (seems a little high to me, Im hoping because im running 35's, but can someone back me up on this?)
On the trip back, cruising at 70, I noticed the check engine light went on... I didn't have it under heavy throttle or obscure circumstances... My ScanGauge 2 showed that I had a P0299, which as Ive read means something relating to underboost?
I cleared the code. And the CEL never showed again in the last 100 miles... Could this just be a quirk? Or should I be more worried about it?
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This is my first winter with my 6.7 and I've noticed that since the weather has been cold the motor rattles a lot more, doesn't seem to want to rev as freely and it seems like the turbo response is slower. I've noticed that my truck goes into exhaust cleaning more frequently, three times in the last week before Christmas. The transmission thumps on downshifts the colder it is. The first shift out of my driveway is between a thump and a bang. The dealer told me I'm not ready for a trans flush, it's not cold enough to need to use the engine heater and that some of the noise and lack of performance could be winter blend fuel.
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Can a leaking Y Pipe throw a P0299? Dealership says that is my problem. My MAP at idle is 14.4 EBP is 17 - 18. At 60mph MAP is 20 EBP is 26-28. Boost is 10-20 .. Truck drives great no apparent issue. P0299 only code and appears when cold first start of day. If I clear it it goes away for the rest of the day and only comes back occasionally. Twice in 5 days only at cold start. 2005 F350, 100% stock, Ford filters all. Scan guage 2 for readings....
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I'm having a little trouble with my 05 Excursion 6.0L .... We took off camping the other day pulling our 30' camper and the engine light came on pretty much as soon as we hit the highways. I checked my Dash boss and it came up as P0299 under boost condition. The truck never skipped a beat. The boost gauge never dropped and it seemed to have lots of power. Actually I've noticed too much boost while pulling. It's climbed up to 36psi before and was still climbing when I backed off the throttle. I'm thinking the turbo is fine but not sure what to check next.
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2011 Ford f350 6.7 diesel ... Is this a problem we need to have fixed?
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Last night when I was towing my son's Ranger home - somebody stole all his gas & he thought the fuel pump quit - heard a pop and the truck started running like crap. Thought I had blown the CAC boot loose but that wasn't the case. As it turns out, the tube for the EBP sensor came off from the manifold.
I had taken it loose about a year ago to clean it out. I guess I didn't tighten it well enough. Truck blew black smoke, lost boost, and filled the cab with exhaust fumes. Easy enough fix, kind of hard to diagnose because that's not expected. Just throwing it out the for somebody's future search.
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I've been having rather slow throttle response with my 6.0 f250 diesel at lower RPMs. Obviously, this is to be expected to some point.. Whether I'm cruising on the highway or through the neighborhood, if the truck is at lower RPMs and I try to accelerate, it doesn't want to. In order to get it to accelerate, I have to press the gas down enough to downshift it then it'll take off.
The truck doesn't have a loss of power at higher RPMs, it takes off like a bat out of hell. I've put 175CC injectors in, tuned it, power max turbo, EGR deleted / studded, etc. It's almost go out with acceleration, or go turtle power with acceleration.
Oil pump was replaced a couple years ago. This problem existed through it all, and it's rather annoying. The truck doesn't want to produce any low end power. If I try to hit the gas enough to accelerate but not enough to force a downshift, I'll just blow smoke, spool the turbo, and barely accelerate until I down shift or push the truck through it. Turbo PSI is roughly ~15ish-20ish during the sluggish transition.
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What to do 2011 F550 RampTruck 11,850 miles on it the vehicle has been back to the dealer 5 times for the same trouble code P0299. After the last time it was in they had it for 2 weeks seemed to be fixed. Last week one of my drivers was towing a Chevy S10 50 or so miles and heard a very faint ticking like a stone in the tire that got instantly worse and before he could pull over started rapping and stalled out. We towed it back to the dealer they removed the Cab disassembled the engine and found a "blown piston" is there quote. What should we do about this problem the dealer is supposedly fighting with Ford and Ford doesn't want to put in a new engine.They want to fix it instead....
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Sudden power loss experienced. CEL (Check Engine Light came on) and Glow Plug Light was flashing. Power loss is severe so really can't drive it anywhere. Turbo Failed at 5500 miles.
Mechanic quote: "Found code P0299 for turbo power under boost. Removed upper engine cover and intake hose. Checked turbo shaft and found play near intake side of turbo. Removed lower engine shield and lower hose to intercooler. Checked for metal. Contacted VW and created VTA. Instructed by VW to replace turbo. Did."
Sounds like service manager abbreviated when entering into the computer. In any case a shame that this car was in the shop for more than a week while the dilly dallied and waited for a turbo to be shipped in.
Some earlier turbo-fail threads from last summer stated dealer told them "bad batch" of turbos was being experienced by VW. Believable, particularly if they're banged out in China? Let's all hope it was a bad batch.
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The ford dealer in Las Vegas replaced my turbo with a remanufactured one. Coming off the line (like quickly pulling into traffic) it goes flat on power until I get a few RPM's. Even with the old turbo it never did that and I drove it for the last 30k miles with it throwing the low turbo boost code. They put a little over 100 miles on it for road testing (I did have other things that they worked on. {4x4 2006 F250, 6.0 engine, 110k miles and I bought it new}....
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I have a small oil leak that is showing up under my turbo compressor housing. It's starting to show a little in the valley. Not a big leak, just not sure were the source is and would like you opinions and recommendations. I have been cleaning it up every few days, drive it then use a mirror and rag to try and locate the source.
Here are some pics, I hope I took some that are good enough. Unfortunately I cleaned up the oil before the pics, but I circled and marked the location.
Concerned about the turbo, but I don't understand this leak since it's not coming from the center section. The turbo drain pipe is new and it does not seem to be coming from there. The leak is not enough to show a change on the dipstick the last 3-4,000 miles as far as I can tell.
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2007 F350 6.0L 230,000 miles
Yesterday, while driving home from a weekend out of town trip, all of sudden lost throttle control. Just went to idle while at cruise speeds, could pump pedal and no response. Then got pedal control back and seemed to run normally.
This happened several times. Hubby suggested moving the adjustable pedal which I did slightly. Although I was not using the cruise control, we had a sense that maybe it was engaging??? So I hit the off button a couple of times. After these two interventions, drove the last 80 miles home with no further incidents.
Today, we checked codes and had a PO231, Fuel Pump Secondary Circuit Low. I don't think that is our problem with above based on research, but we will look into fixing that too. We are thinking TPS or a position sensor on the accelerator pedal. We could replace those easily ourselves.
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I just picked up a 2006 F250 6.0. It was having hard starts. Anyways before I started using it I started tearing things apart cause I knew for sure the turbo was leaking so that had to be resealed. I just picked up a 2003 turbo today for it out of a used truck that had 144000 kms on it. (was in an accident). I am gonna post up a few pics here of the engine bay area, there is a huge amount of old oil I believe to be, I am wondering if it was a leak or spilled oil. I am going to be cleaning this up. Putting 03 turbo in here, doing a service and then plug my Tablet with torque pro and post up some numbers and see how healthy she is. Before I post any pics Is there a way to make these pictures clickable instead of them taking room up on the page?
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I suspect I have a turbo seal leak. My 2004 E350 6.0 smokes like crazy. The smoke is white and smells like you poured raw oil on a hot manifold. Definitely not diesel smoke. How can I tell if it's my turbo without tearing it out?
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My 6.0 has been leaking oil for a couple weeks now, possibly longer judging by the staining underneath. Very slow leak. 1 drop hits the ground when I get off work and go to get in the next morning. It never really reads off the dipstick a drop in the level. I had to top up the oil yesterday but that is from about a 2-week span. But I want to get it fixed. I've attached pictures of where it's coming from and was hoping to get pointed in the right direction. Also its a 05 f250 and coming from the driver side.
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This is is a truck I hardly know anything about. My wife bought it while I was deployed for herself and when it comes to vehicles she's an idiot. No, really she told me she bought it because at horse shows everyone else has one.
I noticed an oil leak and had a reputable shop look at it. They told me it was coming from some seals on the turbo. Long story short there is a brand new turbo on there, stock replacement. Now it seems very under powered and shifts hard. Pressing down anything more than 25% throttle will cause hard shifting or no shifting at all. It'll stay in second until I ease off the throttle.
I tried searching a few terms but I'm not sure what to look for. I don't know if someone has messed with the tuning. Broken clamp on the turbo. Replaced and everything is back to normal...
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After replacing the HPOP a month or so ago, the bellows decided to let lose on the y-pipe. Which started my Turbo hunting and a P132b code.
This past week my 15 yr old and I replaced the up pipes with a BD Diesel kit. Which after my son redid his part of the job 4 times, we had it licked and running awesome with no codes and zero turbo hunting.
Fast forward to Sunday night coming home from my sisters 30 miles away. I jump on it to pass a slow moving vehicle or 3 and BOOOM! Lots of hissing and no boost on the gauge! Yep we didn't tighten that HAC clamp at the turbo enough.
Get the boot and clamp back on and head to the local parts store slowly to borrow a ratchet and socket. All we could muster from the state trooper was a pair of pliers.
Check the codes after we tighten the clamp and had a P132b. Cleared it and drove it home 25 minutes away and no code but the turbo is hunting. 85% down to 14%. So I reload the stock tune, double check all the clamps on the up pipe kit and pull the battery cables and turn the headlight switch to on. I go inside for an hour or so and go back out and hook up the cables.
I check the codes and the usual P603 is there. I clear it, start the truck let it run 10 mins and then take it for a ride. Pull up to a stop and the turbo goes into hunt mode! Drive it about a half hour and stop. Check codes and find the normal RGR code since I am deleted and the recurring P132b. I clear those and drive back home 35 minutes. I check the codes and nothing not even the P132B but the damn turbo is hunting again!
I check the wiring, and turbo connections and nothing! No leaks, errors or drips. I reload my custom tune and drive it. It hunts less but is still hunting! I am at a lose here! I had it running fine for 2 days. No issues until that clamp let the boot slip!
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The truck in question is a 2004 6.0L Excursion, stock original turbo, no tunes, and EGR cooler delete done 1 year ago. Scanned for codes and none were found except for EGR insufficient flow P0401 code which is due to the EGR cooler delete.
Upon startup (no issues there) the VGT reads 67-70, now once the truck goes to high idle to warm up (1150 or so RPM) the VGT slowing climbs to 85 and stays there. If I blimp the throttle or step on the brake it goes back to 67-70 at normal idle. This has been happening for a few months now on a regular basis. I have checked the MAP, BARO, and EBP readings at KOEO and they are all within 0.6 of each other (14.4-15.0). The EBP tube was checked and cleaned (no buildup present)..
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Stuck turbo and high deltas so I replaced the oil cooler, coolant, thermostat, rebuilt turbo. Etc etc. Now I'm getting p2284/p2285 intermittently. Upon inspection ICP looks great at idle and 2500. IPR at hot idle is 20.9 but when you run it up to 2500, it drops to 14.7 and after a few seconds hpop at idle jumps to 875 and I get the p2284/2285. Bad IPR?
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