2011 Infiniti QX56
Mileage
127,830
Service Date
2/16/2026
Services Performed
- P0300, P0420, P0011, P0524. ENGINE IS SLUGGISH ON LOW RPM ACCELERATION. ACCELERATION IS NORMAL ABOVE 3K RPM. MISFIRE AT IDLE. ENGINE WAS ABOUT 3.5 QTS LOW ON OIL. NO BIG OIL LEAKS FOUND. MOST LIKELY BURNING OIL. FOUND THAT THE BANK 2 INTAKE CAMSHAFT IS ABOUT 12 DEGREES NEGATIVE AT IDLE. WHINING NOISE FROM TIMING CHAIN AREA WHILE REVVING. MOST LIKELY FROM BAD INTAKE CAMSHAFT SPROCKETS (VVT PHASERS) AND CAMSHAFT TONE RINGS COMING LOOSE AND RUBBING ON INSIDE OF TIMING COVER. REFER TO TSB# ITB13-009A. CAMSHAFT SPROCKETS AND TIMING CHAIN WILL NEED REPLACED TO FIX CONCERN. CODE P0420 IS ON DUE TO INEFFICENT CATALYTIC CONVERTER ON BANK 1.
Jerry W. gave our service a 5 star review on 2/17/2026
