U1465 Infiniti Auto Trouble Code

Parts or components should not be replaced with reference to only a U1465 Infiniti DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

The problem is caused by the variable cylinder management system switching on and off during light throttle conditions, at cruising speeds, or when driving on flat roads. The constant switching causes excessive oil consumption and the trouble codes appear when oil pressure drops to the point where it can no longer operate the VCM system.

U1465 Infiniti Possible Solution:

Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.

Infiniti U1465 Engine Trouble Code Description For All Models :

U1465 meaning and repair processes are the same for all Infiniti models.

After understanding U1465 Infiniti error code for your Infiniti car, now you can repair yourself.
U1465 Infiniti Trouble Repair Process:

U1465 Infiniti code shows that location the body harness connector, located in and around the left hand kick panel area or inside the IP (consult a shop manual for location). Water can leak into the connector from clogged sunroof drains, A-pillar leaks, or windshield or cowling leaks.

On 1999 and later U1465 Infiniti engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

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