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Service bulletin 9830004

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 id604012
Published by NHTSA1999-03-15
Manufacturer's number9830004
Manufacturer's date1998-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

SUBJECT ON EVAPORATIVE EMISSION CODES DIAGNOSIS ON SOME VEHICLES. *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
HYUNDAI SONATA1998

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
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21-EM-003H2021-04-06. Service bulletin. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
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02360302003-03-27. Service bulletin. OBD-II READINESS TEST DRIVE CYCLE. *TT
1172002-06-27. Service bulletin. INFORMATION ON EXHAUST GAS RECIRCULATION. *SLC
971101200141998-03-30. Service bulletin. PROVIDED PROCEDURES FOR THE INSTALLATION OF A BLOCK HEATER. *YC
971001200121998-03-30. Service bulletin. SHOP MANUAL CORRECTION ON CYLINDER HEAD BOLT TORQUE SPECIFICATION. *YC