Infiniti QX4 engine and engine cooling problems by year
17 NHTSA owner complaints name the engine and engine cooling across 6 QX4 model years. The most reported year is 2001 with 4 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2002 QX4 | 3 | 8% | — | |
| 2001 QX4 | 4 | 5% | — | |
| 2000 QX4 | 1 | 4% | — | |
| 1999 QX4 | 3 | 7% | — | |
| 1998 QX4 | 2 | 7% | — | |
| 1997 QX4 | 4 | 9% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.