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# 7857.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

Summary

VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0401 AND/OR P1408 STORED IN MEMORY. THIS MAY BE CAUSED BY A LOSS OF VACUUM TO THE EXHAUST GAS RECIRCULATION SYSTEM BECAUSE THE RUBBER VACUUM ELBOW (LOCATED ON THE BACK SIDE OF THE INTAKE MANIFOLD) HAS BEEN SEATED AGAINST THE VACUUM PORT.

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