So regarding the wastegate solenoid A. Overboosting problem? Symptons. Car Chokes out wen boostin high. Full throtle.. How can i fix this . Internal wastegate broken? Street tune will fix this ?? Any ideas please?
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As everyone has said before you may have more serious problems all of which are related. :| Our recommendation is that you not ever go heavy on the gas until you can have someone look at this, or better yet, not drive at all. You will need a boost leak test and a compression test done. Other than that we can not do any further diagnosis unless you can provide us with a log.
As mentioned your over boosting issue is caused by the extra flow that the TBE provides and not having a tune to compensate. This only compounded the issue further by leaning it out. You likely caused serious damage to the ring landings due to massive knock as a result as indicated by the misfire codes but only a compression test can reveal that for sure. Any local shop can do that and it usually costs upwards of $150. You can also do it your self by buying a $30 gauge from an auto store or sears but if you go that route please consult us on how to do a proper compression test before you attempt it.
That's just about all the advice we can give you so far. Let us know how you make out! :tup: