OK. The noise you hear in the back is the fuel pump next to the tank (pass. side) operating. The "box" of which you speak is the warm-up regulator. It is mounted on the block next to the distributor, is that it? Tom -- Email problems to: scirocco-l-probs@scirocco.org To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org