2003 Infiniti G35 Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026
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
Share of the 532 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Infiniti G35 overview page.
What owners report
“THE CONTACT OWNS A 2003 INFINITI G35. WHILE DRIVING 45 MPH, THE CRANK POSITION SENSOR FAILED. THE CONTACT STATED THAT THE VEHICLE COMPLETELY SHUT DOWN…”NHTSA complaint 10224906 — filed 04/18/2008
“2003 INFINITI G35 WITH A RECALL ON THE ENGINE. CUSTOMER STATES THAT THE DEALER TOLD HER THAT HER CAR WAS NOT INCLUDED IN THE RECALL…”NHTSA complaint 10207226 — filed 10/25/2007
“THE CONTACT OWNS A 2003 INFINITI G35. WHILE DRIVING 60 MPH, THE VEHICLE FAILED TO ACCELERATE WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. ALL OF THE…”NHTSA complaint 10204769 — filed 10/03/2007
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 2003 Infiniti G35 have engine and engine cooling problems?
Engine And Engine Cooling is the #3 most-reported problem area on the 2003 Infiniti G35: 53 of 532 complaints on file (10%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Infiniti G35 have in total?
532 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 15 involved a crash, 5 involved a fire, 5 reported injuries, and none 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.
