2002 Infiniti Q45 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 Infiniti Q45
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2002 Infiniti Q45 ProblemsLack 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.
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»
2002 Infiniti Q45 QuestionsMy 02 q45 keeps reading misfire on cylinder 2 I've changed the plug coil and (2 answers)
And injector so I took it to the shop now They say the engine wiring harness needs to be replaced because it's not sending a signal to cylinder 2
2002 Infiniti Q45 RecallsEngine May Stop Running Without Warning
The circuit board for the crank position sensor and cam position sensor may have improper solder joints. This could cause the Service Engine Soon lamp to come on, the engine may not start, you could experience reduced power, or the engine may stall without warning, which could result in a crash. Dealers will replace the the crank position sensor, cam position sensors, and in some cases, the variable timing control sensors. The recall began on December 22, 2003. The Nissan recall number is R2022 and the Infiniti recall number is R3021.