CEL code P0234 on my FL5

[Jester04]

@cxmk Did the tune resolve this issue? I have experienced the same overboost code after installing the RV6 catted downpipe and MBRP exhaust. I would peak at 25psi right before it throws the code. I did not want to tune my Type R just yet so had to swap back to my stock down pipe. Now boost is peaking at 23PSI in the mid range, which is nearly 4 psi higher then stock, and falling off close to redline. Ambient Air temps and humidity around the same when testing. No more code though. It honestly drove better with the stock downpipe and exhaust.

Tuning will resolve the issue.

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Tuning will resolve the issue.

Do these cars have 4 bar sensors or no? I upgraded my bar sensors on my si instead of fine tuning the boost level through drob. At the time he agreed.

It had gotten colder out is why it tweaked up on me a little and I did have an upgraded turbo too though for, more information. I was probably pulling 31 pounds tops. Got the 4 bar and the message never came back.

What does our system trip at 24 psi?

 

[Jester04]

Do these cars have 4 bar sensors or no? I upgraded my bar sensors on my si instead of fine tuning the boost level through drob. At the time he agreed.

It had gotten colder out is why it tweaked up on me a little and I did have an upgraded turbo too though for, more information. I was probably pulling 31 pounds tops. Got the 4 bar and the message never came back.

What does our system trip at 24 psi?

Just limits that are placed on the ECU that are raised after a tune. But yes they are 4 bar map sensors from the factory.

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