1998 Pontiac Bonneville Engine And Engine Cooling:engine:gasoline Problems

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

52Engine And Engine Cooling:engine:gasoline complaints

18.8%Of all 277 complaints

#1Most-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

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE52 · 18.8%

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE47 · 17%

ENGINE AND ENGINE COOLING45 · 16.2%

ENGINE AND ENGINE COOLING:ENGINE34 · 12.3%

ENGINE AND ENGINE COOLING:COOLING SYSTEM25 · 9%

Share of the 277 complaints citing each category; one complaint can cite several. Full breakdown on the 1998 Pontiac Bonneville overview page.

What owners report

“WHILE DRIVING AND WITHOUT WARNING, ENGINE STALLED, RESULTING IN VEHICLE BECOMING INOPERABLE. CONSUMERS WIFE WAS COMING TO A STOP WHEN THE ENGINE FROZE. THE VEHICLE…”NHTSA complaint 8013174 — filed 07/02/2002

“CONSUMER WAS TRAVELING ON HIGHWAY AND SMELLED A ROTTEN SMELL COMING FROM VENTS AREA., AND WITHOUT PRIOR WARNING, VEHICLE SHUTDOWN INSIDE OF PARKING LOT.”NHTSA complaint 8012599 — filed 06/25/2002

“HAVE REPLACED PLENUM, HEAD GASKETS AND IS CURRENTLY IN REPAIR FOR RODS. RECOMMENDED NEW ENGINE. WITH NEW ENGINE, REPAIRS TOTAL $6000.00. NLM”NHTSA complaint 759954 — filed 03/28/2002

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

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

Frequently asked questions

Does the 1998 Pontiac Bonneville have engine and engine cooling:engine:gasoline problems?

Engine And Engine Cooling:engine:gasoline is the most-reported problem area on the 1998 Pontiac Bonneville: 52 of 277 complaints on file (18.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1998 Pontiac Bonneville have in total?

277 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 28 involved a fire, 7 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.