Infiniti Q45 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Infiniti Q45

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Infiniti Q45 Problems

Check Engine Light and Engine Stalling

The crankshaft angle sensor or the camshaft position sensor can fail and cause loss of engine power, an engine that cuts out, and other drivability problems. This will cause the Check Engine Light to illuminate. Certain models have been involved in a recall to replace the camshaft and crankshaft sensors. For more information on this recall, please click here»

Lack of power on acceleration due to fuel pump issue

If the car drives well at cruise speed, but lacks power while accelerating, there may be a problem with the fuel pump.

Fuel Injector Problems are Common

It is not unusual for one or more of the Fuel injectors to fail. Common symptoms would be a rough idle and possible illumination of the Check Engine Light.

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Infiniti Q45 Questions

Why won't my car start? (1 answer)

After the power steering belt busted while driving u overheated . Git it tow home car was still starting but when I replaced it the car wouldn't start? I put in new starter checked all fuses flushed the radiator checked timing belt ..but u can't find spark plugs where are the spark plugs ...

Was running fine this morning went to start it will crank but will not start (1 answer)

Can anyone help?

Problem starting (1 answer)

Had battery changed recently worked fine for about a month. Sat in garage for a few days and wouldn't start. Went back to shop where battery purchased; recharged and alternator is fine. After a few days would not start, went back, recharged, alternator fine. About three days later same th...

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Infiniti Q45 Recalls

The Side Air Bag May Not Deploy as Expected

The wiring connector for the seat mounted airbag may experience increased electrical resistance and may not deploy. In the event of a crash, non-deployment of the side airbags could increase the risk of personal injury. Dealers will modify the wiring connector to correct this concern.

Rear Combination Lamps Fail to Comply With Safety Stndards

certain vehicles fail to comply with the stop lamp and reflector requirements of Federal Motor Vehicle Safety Standard # 108 "Lamps, Reflective Devices, and Associated Equipment" This may result in inadequate  illumination and may lead to an accident. Dealer will replace the rear combination light assembly free of charge. The Campaign # is 06V395000

Child Seat Anchors May Not Be in the Correct Location

On 137 vehicles, the lower child seat anchors in the rear seat do not meet the location requirement as stated by the Federal Motor Vehicle Safety Standard, and may cause difficulty securing some child seats. If a child seat is not secured, there is an increased risk of injury in a crash. Dealers will replace the lower seat anchor brackets with modified ones. The recall began on October 17, 2005.

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Infiniti Q45 Reviews

Bought this car new in Sept 1999. Just love it. It has great power and a nice quiet and smooth ride. Love the auto adjusting seats and steering wheel with two separate settings. The Bose Audio system is amazing. The paint has held up so nice it looks like new. The only issue I ever have had was an intermittent misfire when idling. Replaced the Spark plug coils and it is now perfect...
I want to keep it for ever!
my first car is a 96 q45. i love my car! i love the way it handles in the snow and ice i love the v8 i love the gas mileage i love the heated leather seats and the moon roof! i love how smooth ridin it is!! guys i love everything about this car i will never ever get rid of my q45 car!!i fell in love with it!!!!

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