Fixed if you do this:
If this happens to you, go back into the PIDs and select MAP(g) psi for your boost PID. The definition says absolute pressure, but it reads relative boost correctly.
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This is the original observation. Even the FORD dash-gauge is hooked up to the wrong PID.
The boost registered from my OBDll monitor does not read above 22.9 PSI. When it gets there, it bounces back to "0", then back and forth between the two readings. I don't have a mechanical gauge. I am 99.9% positive there are no leaks. The engine does not change operation when it does this. I still need to change tunes to see if this is part of the issue, but from as far back as 2006 there have been reports of similar occurrences with not much of an answer to the question of what is happening. I do believe the MAP does not register boost above 30 PSI (+- reading error).
Maybe the MAP is bad, but what would be the best way to test it?
If you have an OBD monitor and have the same type of issue please post:
MY: 2007
Monitor: DashBoss
OBDII PSI at cut out: 22.9
What it does next: goes to "0" then 22.9 - 0...
What does the truck do? Keeps running strong.
Mechanical Boost reading (if you have one):
Dash boost (if you gave one): 23 PSI slight bouncing
Tune name or stock: Performance Street
If it started reading better, what did you do to it?
If this happens to you, go back into the PIDs and select MAP(g) psi for your boost PID. The definition says absolute pressure, but it reads relative boost correctly.
______________________________________
This is the original observation. Even the FORD dash-gauge is hooked up to the wrong PID.
The boost registered from my OBDll monitor does not read above 22.9 PSI. When it gets there, it bounces back to "0", then back and forth between the two readings. I don't have a mechanical gauge. I am 99.9% positive there are no leaks. The engine does not change operation when it does this. I still need to change tunes to see if this is part of the issue, but from as far back as 2006 there have been reports of similar occurrences with not much of an answer to the question of what is happening. I do believe the MAP does not register boost above 30 PSI (+- reading error).
Maybe the MAP is bad, but what would be the best way to test it?
If you have an OBD monitor and have the same type of issue please post:
MY: 2007
Monitor: DashBoss
OBDII PSI at cut out: 22.9
What it does next: goes to "0" then 22.9 - 0...
What does the truck do? Keeps running strong.
Mechanical Boost reading (if you have one):
Dash boost (if you gave one): 23 PSI slight bouncing
Tune name or stock: Performance Street
If it started reading better, what did you do to it?