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2009 Infiniti QX56 Problems

The Rear Power Door May Not Open or Close Properly

for the Infiniti QX56

The rear power door may not open or close properly, or make a grinding noise from inside the rear trim panel. If this occurs our technicians recommend to check for loose or damaged hardware at the rear door motor. Replace damaged hardware as required and use bolt retaining compound when reassembling the door motor hardware.

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The Fuel Gauge May Read Incorrectly

for the Infiniti QX56

The fuel gauge may be slow to register, fail to read full when the gas tank is actually full, or read inaccurately. Our technicians tell us there is a redesigned fuel tank sender unit to remedy this problem.

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A Clunking or Popping Noise May Develop From the Front Suspension

for the Infiniti QX56

A clunking or popping noise may develop when driving over pot holes or rough roads, the front coil springs may be the source of the noise. Our technicians tell us updated parts are available to address this problem.

6 Reports

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Check Engine Light With Code P0133 and/or P0153

for the Infiniti QX56

The Check Engine Light may illuminate with code P0133 and/or P0153 stored. Our technicians suggest reprogramming the vehicle's powertrain control module (PCM) with updated software to correct this concern.

2 Reports

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The GPS Screen May Intermittently "Lock Up"

for the Infiniti QX56

The GPS screen may intermittently "lock up" and the faulty can be corrected by turning off the ignition for several minutes. Our technicians tell us that updating the GPS software should correct this concern.

2 Reports

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Check Engine Light With Code P1421

for the Infiniti QX56

The Check Engine Light may illuminate with a code P1421 stored. Our technicians recommend reprogramming the powertrain control module (PCM) with the latest software to correct this concern.

1 Report

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Check Engine Light With Code P0451

for the Infiniti QX56

The Check Engine Light may illuminate with code P0451 stored, (EVAP system pressure sensor problem). If no fault is found with the pressure sensor electrical circuit, our technicians recommend reprogramming the vehicle's powertrain control module (PCM) with updated software.

1 Report

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