I have a 2007 Tech with almost 152k on it. I purchased it with 7k on it so I have got plenty of use out of it. I had the P0420 code and it was the cat. I had the Acura dealer replace the cat and the other items in the TSB. That was about a week ago. I was driving to work, freeway speed, hit the gas to pass and the cel pops on with the awd code (turned off after turning off car) and the P0299. I have seen various combos of the awd code with another code on this board, but none with the P0299. The boost gauge is only going about 1/2, maybe a little over 1/2. Everything is stock. I checked the air fiter and air box and cleaned loose debris from the intercooler. I looked over the various hoses and vacuum lines and nothing is jumping out at me. When I take it back in for the latest code I have a feeling they will say it's something turbo related as the code says "turbo underboost". It's functioning, just not fully. Is there anything the dealer could have done in replacing the cat and fuel pump gaskets that would have triggered the latest code only a week later or is it nearing the end for the RDX? Is there something obvious with this code (solenoids, hose leaks, etc) that I should be looking for? Thank you all for reading this lengthy post and in advance for any input and advice.
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