fuel pump module assembly

Asked by GuruBHVRQ Jan 02, 2019 at 07:59 PM about the 1999 Chevrolet Lumina LS Sedan FWD

Question type: General

1999 chevy lumina LS 3.1 engine/I removed the fuel pump assembly module
and they are no ID letters or numbers that will identify which fuel pump is
would be correct.They are two fuel pumps. onboard vapor recovery and the
other one available is without onboard vapor recovery.how would you tell the
difference between the two fuel pumps ?

1 Answer

42,710

You are correct that there are two different fuel pumps available for your car. One allows for "vapor recovery" while refueling...marked "WGL". And the other one does not, it's marked "WGG". Original equipment was a Bosch marked "WGL". Okay. I would take the old pump to the parts store and do a side-by-side comparison. There has to be a visible difference between the two and it has to be right. You can thank the EPA for that headache. Good Luck

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