Ford F-150 (2004-2008) :: HVAC Code 22 And 66 Won't Reset
Jul 13, 2017
2008 F-150, King Ranch. 5.4 ... After installing new Blend door and actuator. Then running diagnosis along with reset. The blend door works and moves but the code won't reset. Door closes tight and air gets hot when raising EATC temp control. I have run the reset and checked the code several times. Just keeps coming up with a 22 and 66. Also, This pickup has a brand new AC system and it doesn't cool for anything. 55F. after ambient temp crosses 90F.
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I've replaced all 8 of my truck's injectors in the hope of curing a rough idle and high long term fuel trims. How long should it take for the ECU to adjust all the fuel trims to account for the new injectors? Or is it best to disconnect the battery for 30min or so in order to reset the ECU and allow it to learn trims from scratch?
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How to reset and remove the error code on the tire pressure monitoring system?
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So I just picked up a 08 STL. I noticed that it doesn't get a lot of airflow out of the vents or floor. I initially thought that it was door actuators. I checked the vacuum at all of them and they all cycled as required.
I also checked the blend door, and the fresh air doors as well. They all cycled as desired. When I was checking my fresh air door with the borescope, I noticed a layer of... insulation maybe? on top of the inlet for the blower. So I removed the blower, and the picture below is looking up into the housing. Is that supposed to be there? It appears extremely dense, so I am led to believe that's what is causing my flow issues.
If it does not belong, how to remove it? Where is the fresh air inlet on this thing?
Full size : [URL] .....
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I am on vacation and the AC has stopped working in my '01 Prius. I have run the HVAC diagnostic and it shows the "21" code. The only thing I can find related to this code is the solar sensor fault. I have located the solar sensor on the dash but am not sure how to remove (to replace) it. I have gotten the little black cover off of it but don't know how the rest comes out. Does it just pull out or unscrew or do I have to squeeze some tabs or what?
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Check engine light came on this week. Said B1484 code Brake pedal open circuit..
I tried disconnecting the battery for a few minutes to reset but light came right back.
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What a p0171 is?
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My 08 B6 wagon has a very foul odor emanating from the HVAC system. It started after my wife washed the windshield with vinegar to get rid of some scaling from the bizarre water we have here. She thought the smell was from some of the vinegar running off the windshield. Well, that was several months ago and the smell is no better. Just recently, the temps have been down enough to turn off the AC switch and the smell is even worse.
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I just bought a F150 with 103,000 on it. The engine is a 4.6. I get a P0605 code every now and then which doesnt effect performance. I erase the code and it doesnt appear again for maybe another 100 miles.
I suspect a loose connector but not sure. Looked up the code and it reads PCM READ ONLY MEMORY (ROM) ERROR. My question is what does the PCM operate? And wheres a good place to start troubleshooting?
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Ok I have a 2004 F150. The airbag was flashing 42, I have since replaced that sensor and now its flashing code 16. I have searched everywhere and cannot find the answer to my question. Any clue as to what this code is trying to tell me. Lost 1, this is lost 3, are you lost 2?
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Unable to decode the B6 axle code on my f150,5.4 L,FX4 2005. Clearly located on the drives side door is the label 'axle' directly below that is B6 ! Unable to locate a listing for this code any where?
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This started a couple of weeks back. It started with 3 codes, a misfire, bad coil and stuck rich. I have since done a tune up replacing all the spark plugs, the bad coil and even the O2 sensor. It is now at a point where the CEL is not on but it still throws the P2196 with a brand new o2 sensor just installed. I am stumped as what I should be checking for next. It seems to run ok but idle is not as smooth as pre-codes. The truck is a 2006 XLT..
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I have a trouble code of 446 and can't find the wiring for the solenoid valve at the canister. I think I should have constant 12 volts and the computer is regulating the ground. but I don't see the constant 12 volts. I don't have a wiring diagram so don't know where it is supposed to come from.
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I'm installing an aftermarket radio in my 2004 SD. The illumination control stopped working (when I turn on the lights, the radio doesn't get darker), and now the dash and a/c panel aren't backlit any more.
This is the first time I've driven it since the new radio. I thought I might have seen a spark when testing to see which wire was the illumination control, but I'm not sure. I've got a fuse box diagram, but so far all the fuses look good.
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2006 F150, FX4, 5.4, super crew. Had the infamous airbag code 42 flashing at me the other day, replaced the sensor in the front of the radiator support, and am still getting the same code. The old senser had some corrosion inside the sensor itself, but the connections were clean on both the sensor and the pigtail. Is there something I may have missed?
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I just bought a 2006 Texas Edition F150 with key less entry but the instructions and assigned codes did not come with it. How do I find what the code is to operate the system?
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I have a 2004 F-150 FX4 and I am getting Code P0012 on an OBD II code reader. This is saying that the cam timing is over retarded. What is the best way to fix this?
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So I swapped in a new cluster fx4 to stx to get my airbag light to work. It now works but flashes code 25. Is code 25 the passenger airbag deactivation switch?
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A couple of days ago my emissions light came on in my truck and the P0054 is the code I get when I scan it. Did a little research online and it looks like it could possibly be a 02 sensor issue. Truck seems to be running fine.. I have a 06 F150 with a 5.4L.....
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08 f150 with 5.4 with 109k on it. Truck has cel with p2006. No power. Very little acceleration. Only fault is p2006. Removed the intake and checked for clips on the linkages. All are present and attached. I replaced the actuator and followed instructions thoroughly. Installed intake and took it for a drive. Same issue. Removed intake and plugged old actuator in and turned on the key. Verified that the it was moving with key on.
Repositioned the wiring harness and knock sensor connectors and reinstalled intake. Took it for a drive and code keeps coming back with no power or acceleration. Tried new MAF and still same issue. No wires are chaffed. Nothing is binding the links. Both intake flaps move freely. What else can cause this code? I have a snap on solus ultra with latest software update. Where should i start...
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I know there is a tun of info on the spark plug problem on the f-150. Here is the problem I have and I don't know where else to look.
Cylinder #3 misfires
1. swapped coil with #2 cylinder and still throws #3 misfire code.
2. Changed the plug on #3 and still the same code #3 misfire.
Where to look next?
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