i have a 93 Mr2, it has 54,000 miles on it and when i bought it it had a bad turbo. I have had a turbo rebuilt for it. I have had the wastegate actuater checked and they said it is fine. The blow off valve will not release pressure. The car will not build any boost. If anyone has had this problem and would know how i can solve this problem please respond, or any idea on what the problem may be respond please. David Allen