2001 INFINITI Q45
Introduction:
The 2001 INFINITI Q45 is a full-size luxury sedan known for its spacious interior, powerful engine, and advanced features. It was offered with a single engine and transmission option: a 4.5-liter V8 engine paired with a 5-speed automatic transmission. The V8 engine delivers 340 horsepower and 333 lb-ft of torque. Owners praise the Q45’s comfortable ride, luxurious cabin, and responsive handling, but some have reported issues with various components.
Engine
4.5L V8
Spark Plug Failure Description/Symptoms: Engine misfires, loss of power, illuminated check engine light Solution: Replace faulty spark plugs Estimated Cost to Fix: $150 - $300 Recalls: None Found
Knock Sensor Failure Description/Symptoms: Engine knocking, poor performance, increased fuel consumption Solution: Replace faulty knock sensor Estimated Cost to Fix: $200 - $400 Recalls: None Found
Transmission
5-Speed Automatic
Tranny slipping Description/Symptoms: Transmission slips out of gear, difficulty shifting, delayed acceleration Solution: Repair or replace the faulty transmission or individual components Estimated Cost to Fix: $1000 - $3000 Recalls: None Found
Suspension
Front Lower Control Arm Bushing Failure Description/Symptoms: Clunking or squeaking noises while turning or braking, excessive tire wear Solution: Replace worn bushings Estimated Cost to Fix: $200 - $400 Recalls: None Found
Electrical
Battery Drain Description/Symptoms: Battery dies prematurely, difficulty starting the vehicle Solution: Identify and repair source of excessive current draw, may require replacing the battery Estimated Cost to Fix: $100 - $500 Recalls: None Found
Exterior
No Issues Found
Interior
Heater Core Failure Description/Symptoms: No heat or cold air from the climate control system, leaking coolant Solution: Replace heater core Estimated Cost to Fix: $500 - $1000 Recalls: None Found
Summary:
The 2001 INFINITI Q45 is generally a reliable vehicle, but it can experience some issues over time. Engine problems like spark plug failure and knock sensor failure are relatively common and can be costly to fix. Transmission issues can also arise, particularly with the 5-speed automatic. Suspension components, such as lower control arm bushings, can wear out, leading to clunking noises and premature tire wear. The electrical system can experience battery drain issues, while the interior may be affected by a failing heater core. Overall, the severity and cost of these issues vary, but it’s important to be aware of them to ensure proper maintenance and repairs when necessary.