Audi mk1 TT boost problems
09-20-2015, 12:43 PM
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Audi mk1 TT boost problems
Okay guys I have a FWD 180 model TT with 1.8t KO4 turbo APR stage 2 tune and built top end. I have it tuned to 18-25 psi (only spiked 25psi twice) but under full throttle 3rd-5th gear peaks at 25psi then drops to 8-12psi. I checked all of my intercooler pipes and no cracks and all are tight. It does throw the CEL and my VCDS says it the MAF. Could it be the wastegate? Or the turbo?
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