7.3 is tripping some codes
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Senior User
Joined: Aug 2005
Posts: 140
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From: utah
7.3 is tripping some codes
I ran the diagnostics on my truck today with my tunner and it pulled these 3 codes.
P0470 exhaust brake pressure sensor cir er
P0478 exhaust pressure control valve, high input
P1211 ICP not controllable
Does anyone know anything about any of these three items? My truck has been missing lately so I ran the diagnostics and that is what came up. On a second note, I have noticed a strange noise that I dont know if I can even explain but it makes like almost a hissing noise until I depress the clutch and then it stops until I let the clutch out. Any help is greatly appreciated.
P0470 exhaust brake pressure sensor cir er
P0478 exhaust pressure control valve, high input
P1211 ICP not controllable
Does anyone know anything about any of these three items? My truck has been missing lately so I ran the diagnostics and that is what came up. On a second note, I have noticed a strange noise that I dont know if I can even explain but it makes like almost a hissing noise until I depress the clutch and then it stops until I let the clutch out. Any help is greatly appreciated.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Wow, no answer yet. It seems the hissing and pressure codes are from the EBV. You can try cleaning the tube or simply wait until it is warmed up but you should have experienced this by now over the winter.
I will have to get back to you on the P1211 code. My shop DVD is in my car. Same goes for the other codes. I suspect another issue but have to check it out.
I will have to get back to you on the P1211 code. My shop DVD is in my car. Same goes for the other codes. I suspect another issue but have to check it out.
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Originally Posted by elkarcher
IP1211 ICP not controllable
