1999 Pontiac Grand Prix Engine And Engine Cooling Problems

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

64Engine And Engine Cooling complaints

15.5%Of all 412 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 ranks on this vehicle

ENGINE AND ENGINE COOLING64 · 15.5%

ENGINE50 · 12.1%

ENGINE AND ENGINE COOLING:ENGINE34 · 8.3%

ELECTRICAL SYSTEM31 · 7.5%

STEERING:RACK AND PINION27 · 6.6%

Share of the 412 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 Pontiac Grand Prix overview page.

What owners report

“FIRE IN ENGINE COMPARTMENT. THE VEHICLE CAUGHT FIRE WHILE DRIVING DURING A REGULAR COMMUTE. *SCC”NHTSA complaint 10022299 — filed 06/04/2003

“COOLANT LEAKED ONTO THE ENGINE AND MIXED WITH THE OIL, ALSO CONSUMER HEARD A SCREECHING NOISE COMING FROM BELTS UNDER THE HOOD. THE WERE BELTS…”NHTSA complaint 10009885 — filed 03/05/2003

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

Engine And Engine Cooling complaints by year filed

Frequently asked questions

Does the 1999 Pontiac Grand Prix have engine and engine cooling problems?

Engine And Engine Cooling is the most-reported problem area on the 1999 Pontiac Grand Prix: 64 of 412 complaints on file (15.5%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1999 Pontiac Grand Prix have in total?

412 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 13 involved a crash, 125 involved a fire, 9 reported injuries, and 2 reported deaths.

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

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING 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.