2012 Mercedes-Benz GLK350

2012 Mercedes-Benz GLK350

Mercedes-Benz GLK350

Mileage
143,277
Service Date
12/18/2024
Services Performed
  • Verify check engine light is on display. engine is running normal, no driveability issues reported. Performed engine diagnostic test. engine codes 0632 Combustion misfire has been detected. 0640 combustion misfire of cylinder #4 has been detected. 0648 Combustion misfire of cyl #6 has been detected. 0652 combustion misfire of cyl #2 has been detected. 0644 combustion misfire of cyl #3 has been detected. Due to misfire code is 4 cylinders at the same time.. Removed air intake housing. Install fuel pressure gauge. Verify fuel pressure at 4 bar. (Normal pressure) Shut engine off and monitor for fuel pressure drop. After 2 hours drops to 2.5 bar (Normal). Recommended a set of spark plugs. Customer advised that spark plugs were replaced at 100K miles. Customer mentioned that when fuel tank is full they smell fuel around the vehicle. Removed rear seat. Removed fuel pump and filter access panels. Find fuel filter assembly leaking fuel . Recommend replacement of fuel filter that must have been replaced at 80K miles and clear codes and monitor for misfires. Customer is advised on not fueling at Costco that may have been another cause of misfire.
  • Removed and replaced fuel filter and seal assembly at the left side of the gas tank. Clear all codes. Test drive. No codes have returned.
 
TIA T. gave our service a 5 star review on 12/18/2024

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