I’m at my wit’s end here. My EZGO golf cart only wants to run at full throttle, and it’s causing me great difficulty. I’ve tried a few things, but nothing seems to work. Anyone else had this issue and found a fix?
Response
I would stary with adjusting the set screw and jamb nut on the carb throttle blade did the trick for me.
Solutions that worked for users
| Solution | Users Who Found Success | Personal Experience | Estimated Cost (USD) | Time Needed (Minutes) |
|---|---|---|---|---|
| Reconnect Disconnected Wire | 1 | Reconnected a wire that was disconnected, and the cart ran at full speed. | $0 | 10-20 |
| Adjust the Set Screw and Jamb Nut on the Carb Throttle | 1 | Adjusted the set screw and jamb nut on the carb throttle blade, and it worked fine. | $0 | 10-20 |
Symptoms
- Golf cart runs only at full throttle
- No speed control whatsoever
- Speed is inconsistent and unpredictable
Possible Causes
- Throttle sensor malfunctions
- Carburetor adjustments gone wrong
- Electrical wiring issues
- Speed controller problems
Solutions that Worked
1. Reconnect Disconnected Wire
What I Did:
Located and reconnected a wire that had come loose from pin 5 of J1 on the controller to the B+ on the solenoid.
Outcome:
The cart ran at full speed consistently.
Personal Experience:
After reconnecting this seemingly insignificant wire, my buggy was back to running at full speed all the time.
Estimated Cost:
$0
Time Needed:
10-20 minutes
Steps:
- Turn off the golf cart and disconnect the battery for safety.
- Open the compartment where the controller is located.
- Identify pin 5 of J1 on the controller.
- Locate the disconnected wire.
- Reconnect it to the B+ terminal on the solenoid.
- Reconnect the battery and turn on the golf cart to test.
Expert Tip:
Always check for disconnected or loose wires when troubleshooting. A simple loose wire can cause significant issues.
Handy Tip:
Use a multimeter to check for continuity in the wire before reconnecting it.
2. Adjust the Set Screw and Jamb Nut on the Carb Throttle
What I Did:
Located and adjusted the set screw and jamb nut on the carb throttle blade.
Outcome:
The cart worked like a charm.
Personal Experience:
After making this small but crucial adjustment, my cart was back to running smoothly without going full throttle unexpectedly.
Estimated Cost:
$0
Time Needed:
10-20 minutes
Steps:
- Turn off the golf cart and disconnect the battery for safety.
- Locate the carburetor, usually found near the engine.
- Identify the set screw and jamb nut on the carb throttle blade.
- Loosen the jamb nut slightly.
- Adjust the set screw to control the throttle.
- Tighten the jamb nut back into place.
- Reconnect the battery and turn on the golf cart to test.
Expert Tip:
Improper adjustment of the set screw and jamb nut can lead to erratic behavior in your golf cart’s speed. Always make sure they are properly adjusted.
Handy Tip:
Use a flat-head screwdriver for better control while adjusting the set screw.
Safety info
- Always wear safety gloves and goggles when working with electrical components.
- If you’re not comfortable with DIY solutions, it’s always best to consult a professional.
- Keep a set of basic tools handy. You never know when you might need them for quick fixes.
Golf Cart Models Where This Worked
- 2003 gas EZGO TXT
- 2002 EZGO TXT PDS