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Service bulletin 99103

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id606476
Published by NHTSA1999-08-25
Manufacturer's number99103
Manufacturer's date1999-06-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

ON SOME VEHICLES THE CHECK ENGINE WARNING LAMP MAY ILLUMINATE AND DIAGNOSTIC TROUBLE CODES 32, 35, P0400, P0402, P1400, P1401, P1402 OR MALFUNCTION INDICATOR LAMP 0302, 0305, 0306, 0514, 1005 MAY BE STORED INDICATING A MALFUNCTION IN THE EXHAUST GAS RECIRCULATION (EGR) SYSTEM. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions, EGR valve

Trouble codes named

P0400, P0402, P1400, P1401, P1402

Vehicles listed
MERCURY VILLAGER1993, 1994, 1995, 1996, 1997, 1998

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
98-48161999-09-15. Service bulletin. CONCERNS WITH EGR FLOW MALFUNCTION. *TT
9960181999-09-09. Service bulletin. BRIEF INFORMATION REGARDING EXHAUST GAS RECIRCULATION (EGR) SYSTEM DIAGNOSIS. *TT
126231999-06-08. Service bulletin. INFORMATION REGARDING EXHAUST GAS RECIRCULATION VALVE (EGR) SYSTEM DIAGNOSIS. *TT
BC23049705011997-09-12. Service bulletin. EGR FUNCTION TESTING. *TW