Can anyone help with my Club Car MCOR4 issue? It’s losing speed at about 3/4 pedal and I’m stumped. This problem is really affecting my daily rounds on the golf course. Has anyone successfully fixed this?
Response
My Club Car Precedent has exactly the same issue as yours. Adjusting the throttle wiper faults setting worked for me. It might sound technical, but it’s a pretty straightforward fix.
Solutions that Worked for Users
| Solution | Users Who Found Success | Approx. Cost (USD) | Approx. Time Needed (Minutes) |
|---|---|---|---|
| Adjusting Throttle Wiper Faults Setting | 1 | $0 (if DIY) | 30 – 60 |
| Replacing MCOR with Correct Model | 1 | $100 – $200 | 60 – 120 |
| Cleaning Connectors and Reinstalling MCOR | 1 | $0 – $20 (if DIY) | 30 – 60 |
Symptoms
- Speed drops significantly at about 3/4 pedal travel.
- Cart exhibits jerky starts or uneven acceleration.
- Inconsistent power delivery, affecting overall performance.
Possible Causes
- Incorrect or malfunctioning MCOR model.
- Dirty, corroded, or loose connectors impacting signal transmission.
- Misaligned throttle wiper faults setting in the controller.
Detailed Solutions
1. Adjusting Throttle Wiper Faults Setting
- What I Did: Fine-tuned the throttle wiper faults setting in the controller.
- Outcome: Restored normal speed and smooth acceleration.
- Personal Experience: This adjustment eliminated the speed drop issue.
- Detailed Steps:
- Locate the controller’s throttle wiper faults setting. This might require consulting the manual or online resources specific to your controller model.
- Using a screwdriver or a similar tool, carefully adjust the setting. The goal is to align it with the MCOR’s output voltage range.
- Conduct a test drive to check for improved acceleration and speed consistency.
- Expert Tip: Regular calibration of the controller settings can prevent misalignments that cause performance issues. Also, be gentle with adjustments to avoid damaging sensitive components.
2. Replacing MCOR with Correct Model
- What I Did: Swapped out the MCOR for a model compatible with my Club Car.
- Outcome: Resolved the speed and acceleration issues completely.
- Personal Experience: The right MCOR model made a huge difference.
- Detailed Steps:
- Identify the correct MCOR model for your specific Club Car model. This information can usually be found in the service manual or through a trusted parts dealer.
- Safely disconnect the power supply to the cart before starting the replacement process.
- Remove the old MCOR, taking note of how it’s connected. Install the new MCOR, ensuring all connections are secure and properly aligned.
- Reconnect the power and conduct a thorough test drive to ensure the issue is resolved.
- Expert Tip: When replacing the MCOR, take the opportunity to inspect surrounding wires and connections for wear or damage. This proactive approach can save future headaches.
3. Cleaning Connectors and Reinstalling MCOR
- What I Did: Conducted a thorough cleaning of the MCOR connectors and reinstalled it.
- Outcome: Enhanced connection quality and resolved speed inconsistencies.
- Personal Experience: The cleaning significantly improved the power delivery.
- Detailed Steps:
- Carefully remove the MCOR, paying attention to the wiring and connector positions.
- Use a contact cleaner or a similar solution to clean the connectors thoroughly. Avoid harsh chemicals that might damage the connectors.
- Let the connectors dry completely before reinstalling the MCOR.
- Reinstall the MCOR, ensuring a snug and secure fit for all connections.
- Test the cart to check for consistent power delivery and resolved speed issues.
- Expert Tip: Regular maintenance, including cleaning of connectors, can greatly enhance the longevity and performance of your golf cart. Also, ensure that the connectors are dry before reconnecting to prevent short circuits.
Golf Cart Models Where This Worked
- Club Car MCOR4, various models and years.