2001 INFINITI QX4

Introduction to the 2001 INFINITI QX4

The 2001 INFINITI QX4 is a mid-size luxury SUV known for its spacious interior, powerful engine, and luxurious amenities. It offers a comfortable ride, a robust towing capacity, and a variety of features for both on-road and off-road adventures. The QX4 is powered by a 3.3-liter V6 engine that produces 240 horsepower and 265 lb-ft of torque, paired with a 5-speed automatic transmission. However, like any vehicle, the QX4 has its share of potential issues that owners may encounter.

Engine

3.3L V6 Engine

Camshaft Position Sensor Failure

• Description/Symptoms: Stalling or difficulty starting, rough idle, reduced engine power
• Solution: Replace the camshaft position sensor
• Estimated Cost to Fix: $200 - $400+
• Recalls: None Found

Timing Chain Tensioner Failure

• Description/Symptoms: Rattling or knocking noise from the engine, especially during startup or acceleration
• Solution: Replace the timing chain tensioner
• Estimated Cost to Fix: $800 - $1,200+
• Recalls: None Found

Transmission

5-Speed Automatic Transmission

Transmission Slipping

• Description/Symptoms: Hesitation or delay in gear engagement, loss of power while driving
• Solution: Overhaul or replace the transmission
• Estimated Cost to Fix: $2,000 - $3,500+
• Recalls: NTB20-100

Suspension

Front Lower Control Arm Bushing Failure

• Description/Symptoms: Noises from the front end, clunking or rattling over bumps, uneven tire wear
• Solution: Replace the control arm bushings
• Estimated Cost to Fix: $300 - $500+
• Recalls: None Found

Electrical

Alternator Failure

• Description/Symptoms: Dim or flickering lights, battery warning light illuminated, no power to accessories
• Solution: Replace the alternator
• Estimated Cost to Fix: $500 - $800+
• Recalls: None Found

Battery Drain

• Description/Symptoms: Battery dies quickly, often after sitting overnight
• Solution: Check for parasitic draw, replace the battery
• Estimated Cost to Fix: $100 - $400+
• Recalls: None Found

Exterior

Rear Hatch Seal Failure

• Description/Symptoms: Water leaking into the cargo area
• Solution: Replace the rear hatch seal
• Estimated Cost to Fix: $200 - $350+
• Recalls: None Found

Interior

Sunroof Drain Plugs Clogging

• Description/Symptoms: Water leaking into the cabin from the sunroof
• Solution: Clean or replace the sunroof drain plugs
• Estimated Cost to Fix: $50 - $200+
• Recalls: None Found

Plastic Interior Trim Cracking

• Description/Symptoms: Cracks and breaks in various interior trim pieces, such as the dashboard or door panels
• Solution: Replace the affected trim pieces
• Estimated Cost to Fix: $200 - $500+
• Recalls: None Found

Summary

The 2001 INFINITI QX4 is generally a reliable and capable SUV, however, it is not immune to certain issues. The most common problems reported by owners include engine sensor failures, transmission issues, and electrical problems. The severity and cost of these issues can vary, but it is important to be aware of them before making a purchase decision. Regular maintenance and proper care can help mitigate these potential issues and extend the life of the vehicle.