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Showing results for tags 'knock sensor-low boost'.
My 06 CTTS is throwing a fault code for the knock sensor and low boost pressure. It starts and runs and sounds just fine and is only slightly noticeable when I stomp on the pedal. Then, it does not have the power it normally does. Also, sounds like air coming out exhaust. Doesn't seem to build boost. Maybe electrical issue or faulty wastgate? Any ideas?