Help!!
ok, i have the ZPI Stage 1 turbo. The other day my blowoff valve just stopped working. However the car drove fine, until one of my intercooler pipes popped off. I got the car home and fixed it. But now my car idels funny.(RPMs go up and down). Then when I drive it, it bucks back and forth. I'll put the pedal to the floor and I get no power. I reset the ECU and the car drove fine for a mile or so...then it went right back to the way it was. Oh..and car shoots thick black carbon out the exhaust pipe, and when I say thick, I mean thick. Its all over the back wall in the garage. I'm thinking its vacuum leak (maybe) or a sensor. Can someone help me?
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