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Service bulletin EG01298

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 id603031
Published by NHTSA1999-01-26
Manufacturer's numberEG01298
Manufacturer's date1998-11-20
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

INFORMATION ON OXYGEN SENSOR IMPROVEMENT. *YC

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

Vehicles listed
TOYOTA 4 RUNNER1996, 1997, 1998, 1999

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
T-TT-0010-10 Rev2018-04-02. Service bulletin. Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
T-SB-0054-132016-04-12. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
46142005-08-16. Service bulletin. '99 4RUNNER ENGINE (3RZ-FE) REPAIR MANUAL CORRECTION. *TT '00 4RUNNER. 00400-RM720-U1. *TT
TC010312002-02-07. Service bulletin. SUBJECT REGARDING HEAD GASKET REPLACEMENT. *YD
EG007991999-08-12. Service bulletin. SOME VEHICLES WITHIN CERTAIN VIN RANGES MAY EXHIBIT VACUUM SWITCHING VALVE (VSV) TICKING NOISE. *TT
1202991999-06-11. Service bulletin. PARTS INFORMATION FOR VEHICLES EQUIPPED WITH EXHAUST GAS RECIRCULATION (EGR). *TT
TC990051999-05-17. Service bulletin. SPECIAL SERVICE CAMPAIGN X01 INVOLVING REPLACEMENT OF THE CYLINDER HEAD GASKETS INSTALLED ON CERTAIN VEHICLES EQUIPPED WITH THE 3.4 LITER V6 ENGINE. *TT
TC990021999-03-12. Service bulletin. SUBJECT ON SPECIAL SERVICE CAMPAIGN X01 TO REPLACE THE CYLINDER HEAD GASKETS. *YC
EG002971997-07-17. Service bulletin. EVAP CHARCOAL CANISTER NOISE. *JD