Do you mean you are replacing the e-gas moduel or the OVP?

The ovp is so cheap and the original part was defictive, I think I'd swap out the OVP first.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".