Quote:
Originally Posted by Bimmeroid
I installed the latest beta stage 1 aggressive 401 map and took my car for a drive. After some spirited driving, I got a P29CE error code and service engine light. Car started sputtering and shaking. I immediately stoped the car, changed the map to stage 1 301 aggressive, and drove home. No more errors and the car seems to be running fine now. I wondering why so many people are having issues with 401 maps? BTW, this is the first time I have ever had any error codes thrown due to COBB, I'm staying away from 401 maps for now.
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My personal opinion is that 4.01 uses higher boost settings and anybody that's on the edge of misfires a lower boost will get misfires on 4.01. As soon as a tried it I had to change my plugs and then I was fine.