Vehicle Speed Control Problems of Infiniti Q45

Infiniti Q45 owners have reported 10 vehicle speed control related problems since 1996. Table 1 shows the 5 most common vehicle speed control problems. The number one most common problem is related to the vehicle's vehicle speed control (4 problems). The second most common problem is related to the vehicle's cruise control (3 problems). For details of each of the problem category, use the links in the table.

Table 1. Vehicle Speed Control related problems of Infiniti Q45


Recently reported Vehicle Speed Control problems of Infiniti Q45

The Vehicle Speed Control problem

The circuit board for crank position sensor and cam position sensor have improper solder joints. This has caused the service engine light to come on, the engine may not start, power reduces, engine stalls at a traffic light or while in motion, on a city street or highway or while making a turn.   Read details...

The Cruise Control problem

When cruise control is set, and the need to pass or speed up is required, if you press the gas pedal to the floor the car takes off and *then stops responding and drops back to set cruise control speed while you are still flooring it. It bucks back and forth.   Read details...

The Car Accelerates On Its Own problem

When the consumer placed the vehicle in the reverse gear the vehicle accelerated suddenly and caused an accident.   Read details...

The Accelerator Pedal problem

Please be advised that beginning in early 2001, we encountered a problem with our infinity Q45t. It has continued to degenerate since then. The gas pedal does not engage readily. When at a stopped position and we push on the pedal, it acts as if it is caught or being held by something.   Read details...

The Accelerator Stuck problem

Accelerator pedal was sticking while vehicle was stopped. Took extreme pressure to release stickage and vehicle would lunge forward due to pressure on accelerator pedal. In traffic created a hazard to vehicles in front.   Read details...




Fuel Economy of Q45 Vehicles
Q45 Service Bulletins
Q45 Safety Recalls
Q45 Defect Investigations