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Problems for specific Infiniti Q45 years:

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Most reported 2003 Infiniti Q45 problems

 

Verified for the Infiniti Q45

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 hereĀ»

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Verified for the Infiniti Q45

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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