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ok guys, the other day i was driving to the beach and i veared on to the interstate and got on it to see how the car was running. well it felt kinda weak at first then it happened, i floored it and my car wouldn't go past 4k rpm and it took a while to get to 80mph. keep in mind i was going 60 when i floored it. so i pulled in a gas station to take a look. when the car is in neutral and i rev, my boost gauge reads 0psi. i cant build boost and when i'm driving i dont hear my turbo's spooling. all i have done to my car is just BPU. any help would be greatly aprreciated.
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you won't build boost in neutral....the engine has to be under load. If you can't hear the turbos then check for a boost leak. Same thing happened to my second turbo. Look for my thread "stock car losing boost at redline" and see if your problem matches this one. The problem with mine was two vacuum hoses right near the back of the turbos were actually right off!!!
 
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