Engine/Transmission (1998.5 - 2002) Erratic Boost at WOT

[1mopardoc]

:{ I have been having some erratic boost readings from my gauge at WOT in conjunction with loss of power that corresponds to the fluctuation of the gauge. It feels like its surging. It doesn't do it all the time, only when the temps outside are 40F or less. I am also getting a p0237 and p0234 t-code. I am wondering if the map sensor is going south or maybe the APPS?? Any ideas would be helpful.



2001 ETH 6spd 4x4, EDGE BB Turbo,BD XXX110's, BD 4",BD PNP2(VA Box),BD Aux lift pump, AEM Brute Force, Fuel 17psi at WOT.

 

[johncameron]

P0234 (M) Turbo Boost Limit Exceeded Problem detected in turbocharger wastegate.



P0237 (M) Map Sensor Voltage Too Low MAP sensor voltage input below the minimum acceptable voltage.



For everyone's info.

 

[JR2]

Looking at the codes I would say your MAP sensor is giving some fasle info to the ECM and the surging you are feeling is defueling. I would bet you need a new MAP sensor. Try a cummins parts place, much less $$ than Dodge.