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1998 Kia Sephia Engine And Engine Cooling:engine:gasoline Problems

NHTSA component category: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE · data through 07/12/2026

67Engine And Engine Cooling:engine:gasoline complaints
13.6%Of all 491 complaints
#3Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine and engine cooling:engine:gasoline ranks on this vehicle

Share of the 491 complaints citing each category; one complaint can cite several. Full breakdown on the 1998 Kia Sephia overview page.

What owners report

“WHILE DRIVING THE VEHICLE IT WOULD STALL AND LOSE OF ALL POWER,WHICH MAY CAUSE A CRASH. PLEASE PROVIDE FURTHER INFORMATION.”NHTSA complaint 844674 — filed 08/09/1999
“TAIL LIGHT HAD TO BE REPLACED BECAUSE OF LEAKING, THIS IS 4TH TIME FOR BRAKES SQUEAKING AND PULSATING, COW PANEL BAFFLE NEEDED REPLACED BECAUSE OF…”NHTSA complaint 707763 — filed 06/22/1999
“WHEN DRIVING AT ANY SPEED THE VEHICLE IS STALLING AND JERKING. CONSUMER PUT VEHICLE INTO THE SHOP FOR REPAIR SERVICE AND THE PROBLEM HAS RETURNED…”NHTSA complaint 837076 — filed 04/26/1999

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine And Engine Cooling:engine:gasoline complaints by year filed

619983719991820005200112002

Frequently asked questions

Does the 1998 Kia Sephia have engine and engine cooling:engine:gasoline problems?

Engine And Engine Cooling:engine:gasoline is the #3 most-reported problem area on the 1998 Kia Sephia: 67 of 491 complaints on file (13.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1998 Kia Sephia have in total?

491 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 33 involved a crash, 16 involved a fire, 19 reported injuries, and none reported deaths.

What does NHTSA's engine and engine cooling:engine:gasoline category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING:ENGINE:GASOLINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.