hi, I HAVE A TOYOTA ENGINE GIVING ME A PO191 FUEL RAIL PRESSURE SENSOR PEFORMANCE RANGE CODE IT THEN SAYS INPUT HIGH AND LOW. CAN i go ahead and change rail sensor or there are other areas to be checked.
Dylan said May 07, 2016 14:26:53
Could you give us some more detail on the vehicle sir? Model, engine, year....
Also please post this in the repair section so we can help you from there. Thank you.