2008 Ford C-Max 2.0 CNG Ghia – Workshop Service & Repair Manual

1. Check for Oil Leaks: Inspect the turbocharger and surrounding areas for oil leaks. Replace any damaged seals or gaskets if necessary.
2. Listen for Unusual Noises: A whining or grinding sound may indicate turbocharger wear. If these noises are present, consider replacing the turbocharger.
3. Clean the Air Filter: A clogged air filter can restrict airflow. Replace it if it's dirty.
4. Measure Turbo Pressure: Use a boost gauge to check the turbo’s pressure output. Low pressure might suggest a problem with the turbo or associated components.
5. Inspect the Wastegate: Ensure the wastegate is functioning properly to prevent overboosting or underboosting issues.

Our manual provides detailed instructions and diagrams to help you diagnose and fix turbocharger issues effectively.

1. Test Battery Voltage: Use a multimeter to measure battery voltage. If it’s below 12.6 volts, the alternator may not be charging correctly.
2. Inspect the Alternator Belt: Ensure the belt is properly tensioned and not worn out. Replace if necessary.
3. Measure Alternator Output: With the engine running, use a multimeter to check the alternator’s output. It should read between 13.5 and 14.5 volts.
4. Listen for Noises: Unusual noises from the alternator could indicate bearing failure. Consider replacing the alternator if needed.
5. Replace the Alternator: Follow our manual’s step-by-step guide to replace the alternator if it's determined to be faulty.

Our manual includes comprehensive procedures for diagnosing and replacing a faulty alternator to ensure your vehicle’s electrical system functions properly.

1. Check Warning Lights: Identify any dashboard warning lights as they can provide clues about the issue.
2. Retrieve Diagnostic Codes: Use an OBD-II scanner to read the trouble codes from the ECU.
3. Inspect the Throttle Body: Clean or replace the throttle body if it’s dirty or malfunctioning.
4. Check Transmission Fluid: Ensure the transmission fluid is at the correct level and in good condition. Replace if needed.
5. Reset the ECU: After addressing the issue, reset the ECU by disconnecting the battery or using an OBD-II scanner.

Our manual offers detailed troubleshooting steps for limp-home mode, helping you restore full functionality to your vehicle.

1. Clean the Area: Wash the area around the chip with soap and water, then dry thoroughly.
2. Sand the Chip: Lightly sand the chip to smooth out any rough edges and remove loose paint.
3. Apply Primer: Use a small brush to apply primer to the exposed metal, allowing it to dry completely.
4. Touch Up Paint: Apply touch-up paint that matches your vehicle’s color, allowing it to dry between coats if needed.
5. Apply Clear Coat: Finish with a clear coat to protect the paint and maintain its gloss.

Our manual provides expert advice and step-by-step instructions for repairing exterior damage like stone chips, helping you keep your vehicle looking great.

1. Inspect Fuses: Check fuses related to the affected systems and replace any that are blown.
2. Examine Wiring Harnesses: Look for damaged or loose wiring connections in the affected areas.
3. Test Electrical Components: Use a multimeter to test components like switches and relays.
4. Check Ground Connections: Ensure all ground connections are clean and secure.
5. Consult Wiring Diagrams: Use the wiring diagrams in our manual to trace and diagnose electrical issues.

Our manual includes detailed wiring diagrams and troubleshooting steps to help you resolve random electrical issues effectively.