I recently had a problem where i couldnt get past 10psi, so i troubleshooted the problem.(with some help from the TB) found & repaired cracked DS header,a few vac lines, and 1 bolt was loose on the downpipe. Then i drove it and boost came back 15-18 psi, then all of a sudden it goes back to not makeing more than 10psi, then comes back to 15-18 psi and vice versa
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