Is this the fuel enrichment relay? When I was younger wasn't understanding what I was doing, so now that I have to button up the anti-sway bar task, figure best to understand what does what.

How does the fuel enrichment work?

E.G.R. and the wheel well relays eliminated as leaked badly and N.L.A. to my knowledge. But, hopefully didn't do something wrong...

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Current fleet:

1985 Mercedes-Benz 280TE - Waiting for heart surgery.

1985 Mercedes-Benz 300TDT - Rear ended 23 September 2016 and now looking for a new home.

1979 Mercedes-Benz 300TD - Parted out.

1964 Volkswgen Beetle - Vater's since September 1968 and undergoing a restoration.

1971 Volkswagen Sunroof Squareback with F.I. - in need of full restoration.

1971 Volkswagen Squareback automatic with F.I. - Vacationing with her caretaker until he is in better health.