Tips to Diagnose & Fix Mercedes AMG Engine Misfire Issues

When we talk about luxurious, high-performing, and exquisitely designed cars, the Mercedes AMG stays miles ahead of its peers. This is because of the time and resources its engineers deploy towards assembling its engine and other components. The engine, however, as a result of faulty coils, faulty spark plug, defective ignition switch, and aging can fail to ignite the air-fuel mixture in its cylinders at the right times, leading to consistent misfiring. This misfiring, in turn, causes irregularity or total stoppage to the proper functioning of the engine.

The Mercedes AMG engine misfiring can be embarrassing if not attended to early, so, as a good driver, it is important to understand signs your car engine has begun misfiring and how best to fix it.

Identifying the problem: 7 Signs of Engine Misfiring in Mercedes AMG

The first step in combating any car problem is understanding the signs it gives when it starts developing issues. Some of the common signs of engine misfiring in the Mercedes AMG are;

1. Rough Idling: When in motion, a misfiring engine will leave the driver experiencing rough and uneven idling. It could even extend to the engine vibrating or shaking uncontrollably unless you turn it off.
2. Increased Emission: This is one of the most common signs of engine misfiring. The driver would notice increased black or dark smoke emissions from the exhaust as a result of the incomplete air-fuel combustion. The electrical control unit (ECU) will easily pick this up and send an error code so the dashboard shows the “check engine” light.
3. Increased Fuel Usage: The incomplete combustion that occurs when the Mercedes AMG engine misfires, reduces the car’s gas mileage, leading to excessive consumption of fuel.
4. Loss of Acceleration Power: A functioning Mercedes AMG accelerates at top speed. However, when it develops engine misfire issues, it loses its acceleration and power.
5. Delayed Response: Because the engine is made to work more when it misfires, the car could experience a stalled response when the ignition is turned on or off. Also, the accelerator pedal becomes unresponsive when there is an engine misfiring issue.
6. Unusual Noise: Engine Misfiring causes sputtering, popping, or backfiring sounds to emanate from the exhaust pipes or engine compartment.
7.  Fuel Odor: A strong smell of unburned fuel in the engine is usually an indication that fuel is not being properly combusted.

How To Handle Mercedes AMG Engine Misfiring Issues

Engine Misfire issues can be attributed to several reasons. So, the best approach to fixing the issue is identifying the root cause of the problem and treating it according to its needs.

• Inspect spark plug, ignition coil, and fuel injectors: When the diagnostic scan points out a fault or damage in the spark plug, ignition coil and fuel injector, you fix it by replacing them with new ones. Ensure that you only use manufacturer-approved parts.
• Check the Fuel System: Ensure the fuel pump is not weak or failing in providing enough fuel pressure. Also, clean or replace clogged fuel filters to ensure easy flow of fuel to balance the air-fuel mixture.
• Replace the damaged electric control unit and its sensors: Sometimes, an engine misfire is caused by an issue in the ECU or one of its sensors. When the fault code points to the ECU, take it to a professional auto technician for reprogramming or replacement.
• Diagnostic Scans: Take your car to a certified and professional auto mechanic for proper diagnostic scans to identify the cylinder(s) of the engine experiencing a misfire. This scan would help generate fault codes that help show the origin of the problem.
• Regular maintenance checks: Routine visits to a professional auto mechanic for maintenance would save the driver resources that would be spent on repair or replacement.

The Best Automobile Service Center in Birmingham for Your Mercedes AMG Care

When dealing with a car problem, it is important to consult an auto shop vast in knowledge and expertise of the car’s problem. At Franklin Automotive Performance, we use a combination of the latest technology, factory-graded equipment, state-of-art diagnostic tools, and accredited technicians to give your car the best service.

Located in Birmingham, AL, our services extend to drivers in surrounding cities like Hoover, Homewood, Vestavia, Mountain Brook, Pelham, and Trussville. Call us to schedule an appointment today, and you’ll be happy you did.