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Originally Posted by magman  I just had a similar experience, check engine light came on, I took her in and they ran the test, Secondary air pump , cam shaft possitioning sensor came up. They tried to start the pump but only relay come on. Could it be the air pump that has been burned out because the valve does not open? but I do not know why the cam shaft sensor is gone? Any thoughts anyone. |
More likely the pump went bad from the valve being stuck OPEN and exhaust/moisture entered the pump.