
2011 Mercedes-Benz GL550 5.5L Poor Idle Quality, Misfire
While accelerating, light to medium throttle, between 1300 & 1500 RPM the engine feels like its misfiring, however no codes will set in the ECM or TCM. Currently long term fuel trim for both banks is between -3.1 & -.8 but has been as low as -18. Smoke tested ...
FIX posted 9/10/2016
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VIN | 4JGBF8GE0B |
Engine | 5.5 L / 8 cyl / GAS |
Trans | 7-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Under Load, on Accel |
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Vehicle Data
2011 Mercedes-Benz GL550
VIN | 4JGBF8GE0B |
Engine | 5.5 L / 8 cyl / GAS |
Trans | 7-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Under Load, on Accel |