Ford 7.3L Power Stroke (1999-2003) :: High ICP - Code P1211
Apr 29, 2017
I had a p1211 code when I first got Torque Pro hooked up. I figured it was just because I'd done a couple WOT runs and the HPOP just can't quite keep up with the injectors. I was told this might happen when I ordered the injectors from Gear head. I also noticed that my ICP peaked at around 3600 during one of these runs. I don't have it logged, but I'm certain it was up that high.
The code hasn't returned, but I haven't been running it too hard either. I don't quite know what to make of the ICPs actually being that high. From looking at a bunch of Rich's graphs his doesn't really get past 2800 or 2900. Is this an incorrect reading? Do I need to worry about anything?
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My wife returned home and stated that my excursion stopped running twice while she was driving it. She said both times were as she was letting off the throttle coming downhill an off ramp. Both times it fired right up and drove away fine.
I pulled the codes using torque app and it showed a p1211. Unfortunately I had just screwed up my gauge settings so I really didn't have any gauges set up so I couldn't use it. (It's for the 6.0 anyway).
After some Internet searching I am guessing it's an issue with the icp or ipr. How do I tell which one to replace? Truck does have a dp tuner normally set to 80 economy tune.
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My truck gave me the p1211 code today. I'm Trying to use dash command to get more info. What should I be monitoring and how do I do it? I'm not familiar with these apps at all?
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I was on the way back from the weekend trip and got a service engine soon light. I didn't notice any lack of power, rough idle or hard starting cold or hot. So we pushed on home. I checked the codes and it is the P1211.
Doing some research it seems the ICP is not as expected so I hooked up my phone with the Torque app and the IPR and ICP seem to be close to normal at idle and running. I din't see any high IPR %.
At idle the IPR was around 15.5 cold and 10.1 after a short run to the store and back when it warmed up a bit. ICP was around 690-720 cold and 470-490 when i got back.
Does that seem like normal readings? I cleared the codes and the CEL comes back on right away after starting the truck. I do have a TS performance chip that I will take out and see if that could be causing any problems. What else should I be looking into?
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I have posted a pic of a smoke issue I am having while pulling.
I just pulled a 10,000 lb trailer up a few 7% grades at 8-10,000 ft and the best I could do was 40-45 mph at 6mpg. Every hill would set a P1211 and when the truck downshifted to 3rd the smoke would go away for the most part.
Truck is 100% stock and pulls the same as my F350 with 3.73 gears but smokes a lot more.
The smoke is kind of annoying and performance seems sluggish especially given the 4.88 gearing. Where to start?
Has new ipr, hpop, icp, fuel filter, air filter, fresh 5w40 mobil 1.
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I have a 2003 F250CC 7.3 with 200,000 miles on it. I just purchased this truck about a month ago. My question is it blows black smoke. A little at idle but mostly when you give it any pedal. I have replaced all of the injector o rings and that didn't make a difference. Then I had it tested and it failed a CCT test on #2 cylinder. I have an injector to put in it, but am curious to find out if 1 bad injector would be enough to make it smoke all the time. I keep getting P1211 ICP pressure above desired. I had a friend of mine who used to work at a ford garage take a look at it with his computer and he said that everything looks good other than the CCT test.
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Well, long story is that I starting have problems with my 2000 F350 Dually 7.3 PSD about 6 months ago ( ~10K miles ago ). I have sunk almost 5K$ in mechanics and the problem is still present.
By troubleshoot, I do not mean try this, try this, as that has been what is happening. I mean making test measurements and diagnostics. I am fairly mechanically inclined, but I am no mechanic. Looking for primers on how the 7.3 PSD works.
Symptoms: After the truck sits 12 to 14 hours, it starts and idles fine ( ~ 700 RPM on the 'Dash Tach' ) just as it has always done. During the first 5 miles of driving it, the SES light comes on and it sputters, stalls, and vibrates as if a couple of the injectors are not firing. It then clears up and the SES light goes out, except that it idles at about 1200 RPM ( 'Dash Tach' ).
It runs fine like this the rest of the day, If I shut it down it will start right up and run fine, but it has the high idles. Only if it is shut down longer than 12 to 16 hours do the symptoms, other than the high idle, reappear. The high idle is constant. Also mpg have fallen ( 13 opposed to 16 ).
It does not seem to be related to ambient temperature, or the amount of warm-up idle. I have idled it for three hours on startup and it is fine, until I drive the first 5 miles or so.
Now, I have had three mechanics work on it and they have replaced: the ICP sensor ( 3 times ), the Fuel filter ( twice ), drained, flushed and refilled the HPOP, replaced both sides of the valve cover wiring harness, put in a new IDM, fuel heater, CPS sensor ( 3 times ), fuel pump in fuel tank, EBPV ( not sure what this is ), and the last straw was saying the injectors needed to be replaced ( or at least the O-rings, but while we are in there you might as well ... ).
I bought a cheap code reader and it says: P1316 & P1211. I believe these are the same codes since day 1.
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I have 2003 f250 7.3 automatic 181,000 miles completely stock. Never had chip,tuner or anything on it. I am second owner and got it when it had 70,000 miles on it. Ok here we go I live on top of a mountain and soon as i start up the mountain or any steep hill, or pull or tow something my service engine light pops on. First time it came on I took it to diesel shop they hooked it up to scanner and said it was code p1211 said icp sensor was bad so they put new one on. Couple days later light started popping back on so i decided to order a auto ingenuity after doing some research.
Hooked up to truck started up mountain while scanning at wot light pops on code p1211 and think it was live data I remember seeing icp pressure at 1922 and duty cycle at 63% i was trying to drive and read it at same time and my lap top went dead. What does this reading mean 1922 pressure/ at 63% cycle done little research but dont really understand. Year and half ago replaced all orings on all injectors, new rebuilt hpop pump. New ipr valve, glow plugs, past month 2 different icp sensor new,and new ipr valve new pig tails on both and light still popping on.
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I just finished installing a new turbo (shaft play and lots of oil in the compressor side), RR up-pipes, and T500 (250k and once had a very long crank to get the ICP up to start).
Anyway, except for another exhaust leak at the pass side up-pipe to manifold, it seemed to run okay but with lots of white smoke. I only have about 50 miles after the install, when it suddenly starting surging and made a lot of loud knocking noises. This then went away and came back again rather quickly. I was close to home, so I made back under power. I also received the two codes listed. My IPR is original, but two summers ago I installed the IPR re-seal kit. Everything on the IPR looked good when it came off for the T500.
After reading around, I saw that low fuel pressure / air in fuel can cause problems. I connected a pressure gauge to the pre-filter port on the filter housing, and got 40psi at idle. I then took a diesel shower and blew out the fuel line into the tank. After re-connecting it, the fuel pressure stayed the same but the engines idles much better, but still has blue smoke. It's the original fuel pump (to me anyway) and original fuel line connections.
I have about 3/4 tank, and no place to put it, so I'd need to run it out for the Hutch mod, or least to get in there and inspect. Would eliminating the Ford connections at the pump be worthwhile for now, and is 40psi at idle adequate? Wondering if it's time for a fuel pump?
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So I got an IDM code and then after running AE buzz test got a P1273 (#3 cylinder high low open).
Ohm'd out the 42 Pin - got 3 across the board. Only test 42 pin from valve cover to injectors.
Double checked UVHC
Swapped solenionds
Swapped injectors
Did ford wiggle test.
Ran Injector buzz between all those steps and still get P1273.
What's the next step? Ohm from IDM to 42pin? May actually be a bad IDM?
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Today I just installed a brand new IDM and after running the Injector Buzz Test test, I received codes: P1298 Injector Drive Module Failure, P1293 Injector High Side Open - Bank 1, and P1294 Injector High Side Open - Bank 2. How a new IDM could throw these codes?
When running the KOEO test I received codes P0605 Injector Control Module Read Only Memory (ROM) Error, P1298, P1293, & P1294.
My engine is still missing but the engine is running a heck of a lot better after replacing the IDM and injector 8 has a rotational velocity of about 3%
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Getting DTC Code P1271 - #1 Injector High -> Low Side Open.
The code tends to show up more during cold weather start up. Using AE-AutoEngenuity KOEO - Buzz Test returns the P1271 error
Troubleshooting performed:
- 42-Pin Connector @ Driver Side Valve Cover
- 9-pin VCH on Passenger side
- IDM Module under driver side wheel well
- All of these are testing within the 2.8 - 3.2 Ohm range
- (Used the GB Reman. Tech Bulletin 103) - TB 103: 1994-03 Ford 7.3L IDM Replacement & Diagnostics)
I was going to replace the solenoid, however, with the above readings I'm not convinced it's the solenoid. Before I tear into the valve covers I was looking for some add'l thoughts from the forum. Could it be the IDM ?....
Any add'l checks to perform using AE, or the IDM, other than replacing IDM.
01 Platinum 7.3 - BTS - PHP Hydra Tunes - 4" FloPro - Riff RaffWheel - Redhead Steering - Driven Diesel Hutch/Harpoon - Kenwood DVD w/ back up- 35"s - GloPro EGT/Pyro/Boost/Trans, Scan Gauge II, AE bundle
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So I am trying to learn how to use the forscan program. I find that it detected an open circut for th deleted intake heater, which I expected. It also found :
===ECS DTC B1230===
Code: B1230 - Driver Safety belt Retractor Low or High Resistance on Squib
Module: Electronic Crash Sensor
Diagnostic Trouble Code details
Driver Safety belt Retractor Low or High Resistance on Squib
So that answers the the question about the intermittent airbag/ seat-belt lamp. How to solve this problem? BTW- This is a E350 SD Van ....
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I have a 99 350 sd 7.3 low power black smoke sets a p1211 under heavy throttle. Check icp on scanner under heavy throttle falls from 1900s to mid 1700s ipr duty cycle runs about 62% wanting to know if I am looking for a hpop problem or injector issue...
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I've got a 1271 code and I can't seem to make it go away. Code definition is "High side to Low side open Cyl 1". The truck runs fine, no rough idle, no excessive smoke of any color, just the damn CEL light stays on. I check the UVCH and all the injectors ohm in at 2.7 ohms. I've already done the updated clips under the covers. I run all the buzz tests and KOEO/ KOER tests and all appears OK. My AE won't do a Cyl contribution test. All the injector data shows all 0.00. I know its not that perfect. "high to low open", does that mean I've lost a ground? If so where?
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My high pressure power steering hose just blew at the "B" nut at the pump. Meaning, the fitting is still in the pump but the line is out. Do I need to replace the whole line or is there a retainer I can swap out?
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I just replaced my 3rd HP power steering line last night( 3rd in 300K, always blows the same point....fitting comes apart where it attaches to the pump.
I'll start, mine have gone about 100K plus or minus 10K, almost thinking about making it a 100K maintenance item.
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Pulled our 5th Wheel up to a campsite we like in the Eastern Sierra, have pulled this trailer there several times before. This trip it felt way down on power and the EGT's were getting up there, I saw 1320 and it would have gone higher if I hadn't backed out of it. It had good boost 24psi averaged 17 to 20 on the steep long pulls. We came home today without the trailer and it ran just fine except once when I really nailed it the emission system light came on and stayed on solid till I turned the key off and on. What is the Emission System light telling me? It ran just fine when the light was on and all indications on the Scangage were good as well a on the Boost, Egt and fuel pressure gauge.
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Story starts when I was cruising down the freeway and the truck cut out, seemed like a CPS or Injector related issue - seemed like a whole cylinder bank cut out. Stopped truck on shoulder, she shuttered and died. Turned truck off and restarted, ran like a top for about 4 miles then did the same again. I restarted it again and drive it straight home, ran like it I usually did.
As soon as I arrived home I did a little research and learned to start with CPS. I replaced my grey CPS with a new, Ford grey CPS. Truck fired up, ran the same that it did before - not the best idle but at 302k I was content. Drove it for a few days and it did it again, hobbled the truck home, although it did do it a few times and the last time it did it was really hard to start.
I replaced the IDM through NAPA. She's a work truck so I wasn't going to splurge for a Swamp Unit, the NAPA one came with an 18-Month Warrenty. She started right up afterward, the smoothest idle I had ever felt and she ran great, except for an SES. I ran the code and it was an IDM code, ran a buzz test and it pulled injector #5 high/low error, but it buzzed (a bit quieter than the others).
Here's the weirdest part, when the motor is cold the SES is constant, but as it warms up it only shows under power and sometimes flashes off at certain RPMs (1700-1900 and 2100-2300) and turns off when engine braking (TC locked) returns at idle. NO engine lights with the old IDM. I've checked the wiring to the injector from the 42-pin to the outer connector. (.6-.7 ohms, what my meter reads without any loads) Injector (from outer connector) reads 3.2 ohms. UVCH is less then 2 months old (GP issues) injectors have less than 5k on them.
Why? New injector solenoid? Bad IDM? Is it possible my last one never fired #5 and it got stuck? Or did my old IDM fry #5? Also I'm going to keep driving it and maybe it'll clear up, there was one drive I took where it cleared up completely. I've done some extensive research on this an i'm stumped. With the new IDM the truck has run better then it ever has.
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My new to me 99 f350 has a great a/c but it only blows on high. Am I looking at a blower motor, resistor, or the fan switch? I'm grateful that it does blow on high being in SE TX and SW LA. If it didn't I couldn't ride in the old girl. A black truck with no a/c is not happening this time of year....
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I notice my trans temp gets really hot fast. For instance just moving my trailer from front of my house to side yard makes temp go to 250. Without any load and driving a couple miles it does the same thing. It's been doing it since I installed the trans temp gauge just trying to figure out what's up.
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