Nesting VLOOKUP formula in Excel 2010 returning a blank cell if no data is located

I am running a formula in an Excel spreadsheet that will Lookup data in a column of cells and display the data from two separate Excel Tables. The data is being retrieved correctly, but,  if the 'main' column is blank (column B)...then the remaining row cells should be blank as well.

=IFERROR(IF(ISBLANK($B16),””,VLOOKUP($B16,List_07,2,FALSE)), VLOOKUP($B16,Bi_Fuel_Vehicles,2,FALSE))

Columns C through E will retrieve data from Bi_Fuel_Vehicle table when there is no respective data in List_07 table.

I have a separate cell formulas for three different columns that render blank row cells. This formula is as follows and functions correctly. It is only here as an example:

Thank you in advance,
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Michael FowlerSolutions ConsultantCommented:
Have you tested to confirm that the cells are blank and do not have spaces etc

what is the result of


edrz01Author Commented:
yes the cell is blank and was verified by the second example.
Michael FowlerSolutions ConsultantCommented:
Ok, not sure what is happening, could you please post your workbook so we can have a look

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edrz01Author Commented:
I hope the attached image clears up some question you may have...

VLookup flow chart with look up codes
Ejgil HedegaardCommented:
Your formula makes a lookup in Bi_Fuel_Vehicles when B16 is blank, causing an error.
Move the isblank test up front, like this
=IF(ISBLANK($B16),"",IFERROR(VLOOKUP($B16,List_07,2,FALSE), VLOOKUP($B16,Bi_Fuel_Vehicles,2,FALSE)))

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edrz01Author Commented:
hgholt...that was perfect and what I was looking for... Thank you so much for the solution!
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