Car Problem Reports

Infiniti Q45 Lack of power on acceleration due to fuel pump issue

Infiniti Q45 Problem
9 Reports
Me Too

Model Years Affected: 1992, 1993, 1994, 1995, 2002

Average Mileage: 159,166 mi (135,000 mi - 180,000 mi)


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

  • Visitor, , 162,500 mi

    ...not fixed yet, but experiencing identical symptoms. Getting some 'backfiring,' (twice recently) also, on accelerating. And, once while starting low gear car came to a near-stop; I pulled over, waited 3 seconds, took off again and no problem.

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  • My car one time decelerating. And shut down with the steering wheel locking up

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  • My 1995 Q45 would not shift into passing excelleration. I changed the fuel pump modual that did not fix it. Then I change the fuel pump and that solved the problem of excelleration.

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