TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Mercury for this TSB. Call your local Mercury dealer's service department & ask for a copy of TSB# 4643.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Summary

SOME VEHICLES MAY EXHIBIT AN RPM FLARE ON A FORCED 4/2 DOWNSHIFT. ADDITIONALLY, THE COMMANDED ELECTRONIC PRESSURE CONTROL IS AT APPROMATELY 10 PSI. *TT

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