You must not drive the car if any problem is found in the car engine. You need to test the car engine and find the real reason for solving the car engine. The car engine P1537 Code is set in the car engine and you need to fix the car engine properly by correct meaning of the code. Do not fix the car engine by an immature automobile engineer. You must allow an automobile engineer who is experienced enough and who knows the correct meaning of the code engine code. When the car engine is ok, you need to take it for a test drive.