Exhaust Valve Doesn't Open
Hi,
I think my exhaust valve doesn't open. I know it stays close in cold start to speed up the warming, so after my engine is warmed up, I floor it many times, still the exhaust doesn't open. I went to a friend and he opened it with a screw driver, and tight it with a wire, but he took out the vacuum line. I found out the car drives so bad and got message on my idrive of engine issue, so once i returned everything back, the car worked perfect. Does the closed valve will effect the performance, as I have DP and Dinan big turbo.
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