why is my Ford Mustang S550 (2015-2023) losing power while driving

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to prevent any electrical shorts.

2. Addressing Fuel System Issues

• Check Fuel Pressure:

  1. Connect a fuel pressure gauge to the fuel rail.
  2. Start the engine and observe the pressure reading. It should match manufacturer's specifications (usually around 30-60 PSI).
  3. If pressure is low, inspect the fuel pump and replace if necessary.

• Replace Fuel Filter:

  1. Locate the fuel filter (usually in-line or integrated with the fuel pump).
  2. Relieve fuel system pressure by removing the fuel pump relay.
  3. Disconnect fuel lines and remove the old filter.
  4. Install a new filter in the correct orientation and reconnect the lines.

3. Inspecting and Replacing Ignition Components

• Examine Spark Plugs:

  1. Remove the ignition coils by unscrewing them and pulling them out.
  2. Inspect the spark plugs for wear, carbon buildup, or damage.
  3. Replace with OEM or quality aftermarket plugs, ensuring the gap is set according to specifications.

• Test Ignition Coils:

  1. Use a multimeter to test the resistance of each coil.
  2. Replace any coils that fall outside manufacturer specifications.

4. Cleaning the Throttle Body

1. Remove the air intake duct to access the throttle body.
2. Spray throttle body cleaner onto a clean rag and wipe the inside of the throttle body.
3. Ensure all carbon deposits are removed and reassemble.

5. Checking for Air Leaks

1. Inspect all vacuum hoses connected to the intake manifold for cracks or disconnections.
2. Replace any damaged hoses and ensure all connections are tight.