Boost Codes
Diesel Bomber
Joined: Mar 2007
Posts: 1,551
Likes: 118
From: Kingsville, MD
I have been having the same code since installing my HTT 62/71/14 last week. Every time it comes up it throws the truck into limp mode. I am driving it every day seeing if I can get it to happen again. There was really no rime or reason to it either time also.
Thread Starter
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Diesel Enthusiast
Joined: Oct 2007
Posts: 489
Likes: 5
From: Canton, GA
when I kept getting all these codes, I took off the iat and map sensor and just wiped off any crap that was on it. Not sure if it has helped but I haven't got any more codes.
BOMBARDIER
Joined: Jul 2007
Posts: 12,809
Likes: 668
From: Billlings, MT
Funny thing, I got a low boost code out of the wild blue Saturday. It went down the interstate going 70. But as soon as I hit a hill, turned into a dog. I managed to get to a parts store before they closed at noon and had them clear the code. Never came back then or now.
I'll look up the other codes and what causes them!!!
---AutoMerged DoublePost---
OK, the P0069 might be do to a faulty inlet air temperature(sensor on the air cleaner cover) and the P0237 might be due to a faulty IAT(MAP)sensor. There is some voltage/ohm testing involved also. Might be easier to have the dealer check it out w/ a Star Scan.
I'll look up the other codes and what causes them!!!
---AutoMerged DoublePost---
OK, the P0069 might be do to a faulty inlet air temperature(sensor on the air cleaner cover) and the P0237 might be due to a faulty IAT(MAP)sensor. There is some voltage/ohm testing involved also. Might be easier to have the dealer check it out w/ a Star Scan.
Last edited by wildbill; Sep 15, 2008 at 06:44 PM. Reason: Automerged Doublepost
Site Mascot
Joined: Mar 2007
Posts: 16,010
Likes: 940
From: Why-homing
IAT and MAP are 2 different sensors ...........they are just below the head back by #6 on the drivers side.........pull em both and clean em then use good contact grease on the electrical fittings......the IAT sensor is small and a deep well socket will work fine, the MAP is a bigger sensor and you need a deep deep socket to get it.......I made mine bu cutting a socket then addin some pipe in the middle
BOMBARDIER
Joined: Jul 2007
Posts: 12,809
Likes: 668
From: Billlings, MT
FYI
IAT and MAP are 2 different sensors ...........they are just below the head back by #6 on the drivers side.........pull em both and clean em then use good contact grease on the electrical fittings......the IAT sensor is small and a deep well socket will work fine, the MAP is a bigger sensor and you need a deep deep socket to get it.......I made mine bu cutting a socket then addin some pipe in the middle
The combination, dual function Intake Manifold Air Temperature Sensor/MAP is installed on top of the intake manifold.
