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Service bulletins for the 1999 Toyota 4Runner

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.

72 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
T-TT-0010-10 Rev2018-04-02. Service bulletin. BACK OVER PREVENTION; ENGINE. 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. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
46142005-08-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. '99 4RUNNER ENGINE (3RZ-FE) REPAIR MANUAL CORRECTION. *TT '00 4RUNNER. 00400-RM720-U1. *TT
EG012981999-01-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. INFORMATION ON OXYGEN SENSOR IMPROVEMENT. *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.