2001 Nissan Altima Engine And Engine Cooling Problems

NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026

22Engine And Engine Cooling complaints

13.8%Of all 159 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 COOLING22 · 13.8%

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM14 · 8.8%

ENGINE AND ENGINE COOLING:ENGINE12 · 7.5%

VEHICLE SPEED CONTROL9 · 5.7%

SUSPENSION9 · 5.7%

Share of the 159 complaints citing each category; one complaint can cite several. Full breakdown on the 2001 Nissan Altima overview page.

What owners report

“SECOND TIME MANIFOLD GASKET PROBLEM HAS OCCURRED ON MY 2001 NISSAN ALTIMA. IT HAS A ROUGH IDLES WHEN STOPPED AT LIGHTS, IN GEAR, NEUTRAL OR…”NHTSA complaint 10295361 — filed 12/11/2009

“2001 NISSAN ALTIMA HAS A DEFECTIVE INTAKE MANIFOLD GASKET, CAUSES ROUGH IDLE AND CAR TO SHUT OFF WHEN ENGINE IS ON. THIS LEADS TO LOSS…”NHTSA complaint 10294070 — filed 11/30/2009

“EXTREMELY ROUGH IDLING THAT DULLS DOWN UPON PUTTING CAR IN PARK BUT DOES NOT STOP. IT SEEMS AS THOUGH THE CAR MIGHT STALL AT TIMES…”NHTSA complaint 10291283 — filed 11/06/2009

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 2001 Nissan Altima have engine and engine cooling problems?

Engine And Engine Cooling is the most-reported problem area on the 2001 Nissan Altima: 22 of 159 complaints on file (13.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2001 Nissan Altima have in total?

159 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 22 involved a crash, 2 involved a fire, 23 reported injuries, and 4 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 07/14/2026.