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Service bulletins for the 1998 Plymouth Neon

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.

51 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
R2118796A2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
1801002000-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT
0907981999-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING OIL SEEPAGE AT CAM POSITION SENSOR / MISINTERPRETED HEAD GASKET LEAK. *YC
1818991999-09-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONDITIONS WITH ENGINE ROUGHNESS / MISFIRE USUALLY ONLY APPARENT ON INITIAL COLD ENGINE START. *TT
1847981999-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A CONDITION WHERE THE MIL ILLUMINATES FOR MISFIRE BUT NO REASONS CAN BE FOUND FOR THE MISFIRE FAULT OCCURRENCE. *YC
0905981999-01-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. A NEW MULTI-LAYER STEEL ( MLS ) HEAD GASKET HAS BEEN DEVELOPED AND IS BEING IMPLEMENTED INTO PRODUCTION VEHICLES. *YC
2502981999-01-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUBJECT REGARDING I/M ( INSPECTION MAINTENANCE ) TESTING - OBD II "CARB" READINESS MONITOR INFORMATION. *YC
1823981998-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. VEHICLE SAGS/HESITATES/ STUMBLES AFTER A COLD START IN AMBIENT TEMPERATURES OF -7 TO 30 C (20-86 F). THIS CONDITION MAY PERSIST UP TO A MINUTE. *AK
1823981998-10-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SAGS/HESITATIONOR STUMBLE AFTER A COLD START IN AMBIENT TEMPERATURES OF -7 TO 30 C (20-86 F). *AK
98301998-08-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT ON LABOR OPERATION TIME CHANGE FOR DOMESTIC 2.OL DOHC AND 2.4L HEAD GASKET REPLACEMENT. *YC
9806050903981998-08-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE EXPERIENCING BROKEN VALVE SPRINGS. *YC
1691/76921998-08-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. INFORMATION ON RADIATOR FAN RELAY. *YC

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