Boost guage always reading max
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Boost guage always reading max
I have a 2012 f250. Found that my egr cooler core had heavy carbon build up, this carbon build up continued past the egr to the throttle, It didnt proceed further into the intercooler, the butterfly valve and whatever muchanism is inside the intake manifold immediately before it i assume stopped it. It also was in the exhaust manifold. My MAP sensor was full of carbon. I cleaned my egr cooler, cooler core, intake manifold (where my ehxaust passes through to my innercooler and to exhaust manifold where MAP sensor is mounted), throttle body, both exhaust pipes to my egr, exhaust manifold that the MAP sensor is mounted to, the MAP sensor itself, and the exhaust temp. sensor. Put her back together.
i had 3 codes
P02E0
P02E9
P0107
P02E0 and P02E9 went away when i double checked my throttle and it wasnt plugged in all the way.
this leaves me with P0107. Ive found the most common of this code is a bad MAP sensor. I have one on the way. Long story short on my dash my turbo rpm guage is showing almost max when key is on and when my truck is started and doesnt move from this. Could this faulty MAP sensor cause this misreading?
i had 3 codes
P02E0
P02E9
P0107
P02E0 and P02E9 went away when i double checked my throttle and it wasnt plugged in all the way.
this leaves me with P0107. Ive found the most common of this code is a bad MAP sensor. I have one on the way. Long story short on my dash my turbo rpm guage is showing almost max when key is on and when my truck is started and doesnt move from this. Could this faulty MAP sensor cause this misreading?
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Joined: Jun 2016
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Any updates?
Was there any solution to this? I’m having the exact same problem and have replace many sensors, pcm, turbo, chases wires. Any luck? Thank you for any help.
Last edited by ohmartm; Oct 15, 2018 at 01:36 AM. Reason: New title.
Lead Driver
Joined: Jan 2010
Posts: 6,600
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I don't have much input but was one of those replaced the MAP sensor?
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
That's all I can offer from experience. My boost gauge became stuck at 37 PSI, the engine sounded plugged up and exhaust was entering the cab to the point where I couldn't test drive it more than a mile. The MAP was packed full of soot and my attempt at cleaning it damaged it further so replacing resolved.
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1994.5 - 1997 7.3L Power Stroke Diesel
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