Vehicle Data Hub

2003 Infiniti G35 engine problems

Owners reported engine problems in 124 complaints for the 2003 Infiniti G35, 17% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
124 17% of this year's complaints
Typical mileage
107,000 miles 111 complaints with mileage
Crashes and fires
0 and 2
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2003 Infiniti G35 Complaints by odometer reading in 20,000-mile steps. The median is about 107,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 8 complaints 60k to 80k miles: 13 complaints 80k to 100k miles: 29 complaints 100k to 120k miles: 14 complaints 120k to 140k miles: 21 complaints 140k to 160k miles: 6 complaints 160k to 180k miles: 10 complaints 180k to 200k miles: 3 complaints 200k+ miles: 5 complaints 040k80k120k160k200k miles Typical: 107,000 miles
Based on 111 complaints that include mileage. 9% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles1
40k to 60k miles8
60k to 80k miles13
80k to 100k miles29
100k to 120k miles14
120k to 140k miles21
140k to 160k miles6
160k to 180k miles10
180k to 200k miles3
200k+ miles5

What the data shows

Of the 111 engine complaints that report mileage, the median is about 107,000 miles, and 9% were reported before 60,000 miles.

These complaints mention 2 fires.

What owners wrote

Tl* the contact owns a 2003 infiniti g35. The contact smelled oil burning when he noticed that the oil warning light had illuminated. The vehicle was taken to the dealer where they performed an oil consumption test which concluded that the engine needed to be replaced. The dealer advised the contact to have further testing done before replacing the engine. The vehicle was not repaired and the manufacturer was not made aware of the failure.

Reported at 80,000 miles, December 2010 Fire

Tl* the contact owns a 2003 infiniti g35. The contact stated that he was unable to start the vehicle. The contact diagnosed that the cam shaft position sensor was defective and needed to be replaced. The manufacturer was made aware of the failure who did not offer any assistance since the vehicle was not included in NHTSA campaign id number: 03v455000 ( engine and engine cooling). The vehicle was not repaired. The failure and current mileage was 167,000. The VIN was not available.

Reported at 167,000 miles, September 2011

Other problems reported for the 2003 Infiniti G35

Engine problems in other years

Engine problems across all Infiniti models