A weak or failing fuel pump can cause power loss due to lower fuel pressure and lean mixture conditions. This rarely causes a Check Engine Light to illuminate and should be repaired to avoid catalytic converter damage.
Car problem reports
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Most reported 2006 Nissan Armada problems
Water can cause corrosion in the connector between the engine and transmission wiring harness. The engine may crank but not start, stall, and/or the transmission may not shift correctly.
A navigation unit that is failing can intermittently display a disc error on the screen.
The brakes may develop a pulsation or judder felt during light and moderate braking. This may be felt as a pedal pulsation, steering wheel shake, and/or a body vibration. The repair involves resurfacing all four brake rotors using an "On-car" brake lathe (replacing if necessary) and using updated brake pads and components.