Are all Mark iv fuel pumps the same

Hello, The part number is stamped on top of yours, and VW will change a part in the middle of the year, so you never know which version or revision you order parts. If it runs and drives, the fuel pump is fine in 99% of cases. Scan for codes. If your check engine light is not on, make sure it isn't burnt out.

Engine light is on but sometimes you turn the e fine over and it will not start. And when you turn the ignition on some time you hear the pump kick In and sometimes you dont