
2008 Mercedes-Benz S550 5.5L Poor Idle Quality, Misfire, MIL Lamp on
I tried to set readiness monitors, but drove 2 hours without a MIL, and without setting 2 heater, Evap, or air injection. Idled for 30 minutes next day, and P0301 set! I checked compression and got ugly numbers all around. I tested my insight and got 175ps...
FIX posted 8/22/2018
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Message Closed w/FIX
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VIN | WDDNG71X18 |
Engine | 5.5 L / 8 cyl / GAS |
Trans | 7-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2008 Mercedes-Benz S550
VIN | WDDNG71X18 |
Engine | 5.5 L / 8 cyl / GAS |
Trans | 7-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |