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6 Troubleshooting Tips When Your UTV Won’t Start in the Cold

By Sara Wines | Behind The Wheel on March 1, 2023
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There’s nothing more frustrating than trying to start your UTV in the cold and getting less than a sputter. If this happens to you, we’ve got 6 tips to help you get your machine back up and running.

Let’s start with the basics.

1. Start with the Battery

Check the battery. Are the wires secured to the battery terminals? Is there corrosion? If you have any doubt, go ahead and clean the terminals and tighten the battery connections. Still not working? Then you’ll need to test the battery to see if it’s charged. If it’s dead, jump or trickle-charge it. Turn the key over one more time to see if it will start.

An automotive battery terminal. The connection is covered in lime green fuzz. Your UTV will be hard to start in the cold if the battery terminals look like this.
If the battery terminal looks like this, you should definitely clean it to ensure your UTV is getting a good enough connection to start. Image by Tires Plus.

2. Fuel Could Be the Problem

If you still can’t get the machine to start, it’s time to check the fuel. First things first—does it have gas? Boy, that would be funny, huh? If you’re sure there’s fuel in the tank, check the fuel for an off smell, dark or off-color fuel, and water (there’s lots of testing kits available to help you check). Any of these could be a sign of bad fuel. You should also check your machine’s manual to make sure you’ve been using the right fuel in the first place.

Two bottles stand side by side. The image is annotated with with arrows indicating the phase separation of gas mixed with ethanol. If your fuel separates like this, your UTV will be hard to start in the cold.
If gasoline mixed with ethanol (most gas is) sits for too long, it can separate in the gas tank and make your UTV extremely difficult to start because it’s sucking in water instead of gas. Image from Quora.

3. Review Any Codes

Still no luck? Go ahead and check for codes. These codes can be a big clue as to why your machine won’t start. You’ve probably found your culprit if you get a code related to the TMAP sensor, temperature sensor, or ECU.

If none of these fixes work, your UTV’s cold start issue might need deeper testing.

A close up shot of an LCD screen showing all the error codes a UTV has stored. Error codes can be a great clue why your UTV won't start in the cold.
If you get a ton of codes like this, it’s probably time to take your rig to a dealer. Image from bobbyj24 on Maverick Forums.

4. Check Spark Plugs

Your spark plugs could be the culprit. Spark plugs ignite the fuel, so if one or more of them isn’t working, your UTV may not start and may run rough if it does start. Check for corrosion on the ends and replace any that seem worn out.

A hand holds 3 spark plugs side by side. The one on the left hand is brand new, the one in the middle is super gross, and the one on the end shows normal wear and tear.
If you’ve got one or or more spark plugs that look like the middle one in this picture, it’s time to replace it. A wet and dark or black appearance is also a bad sign. Image from Boost ATV.

5. How’s the Fuel Pressure?

Another important thing to check is fuel pressure. To be extremely basic, fuel pressure issues can indicate issues with your fuel pump. You can check your machine’s manual for exact fuel pressure specs, but you can bet you’ll have trouble starting if your UTV is not getting good fuel pressure.

6. What About Engine Compression?

You’ll also want to check overall engine compression. Basically, engine compression is the pressure the engine makes in the pistons. If engine compression is out of whack, the machine will be hard to start whether it’s cold or not. Again, refer to your UTV’s manual for specifics on fuel compression.

Ask for Help

If you’ve done the 6 steps we outlined to get your UTV to start in the cold, don’t be afraid to take your rig to a dealer for deeper troubleshooting. Check your warranty, too—your visit might be free.

All things considered, the best solution is prevention. When the weather turns cold, you want to prepare your rig for the changing seasons—whether that means winter riding or winter storage.

Don’t forget about regular maintenance too. Keeping your fluids fresh and all your parts greased will help you whenever you have to troubleshoot a problem like this. Check out our simplified Can-Am and Polaris maintenance schedules for tips to keep your rig rolling all year round.

A Polaris RZR tears up the ground during a heavy snow fall.
The best solution for a UTV that won’t start in the cold is prevention. Take care of your ride and it’ll take care of you. Image by SuperATV.

RELATED CONTENT: fuel3 machine maintenance77 preparation30
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6 Comments

  1. Avatar for Rob BrownRob Brown says:
    April 21, 2023 at 11:55 pm

    CFMOTO UFORCE eps 800. it is only 850 miles old and wont start, turn over, etc. battery charged, fuel might be a bit older, and it didn’t run almost all winter. mostly utilized to clear driveways.

    Reply
  2. Avatar for Diane WalkerDiane Walker says:
    October 8, 2024 at 3:24 pm

    I have a 4 wheeler that i have put a new battery on it new spark plug a new solenoid and a new starter on it it is a rancher 350 2006

    Reply
  3. Avatar for Mark EngleMark Engle says:
    October 16, 2024 at 2:09 am

    The engine starts but several attempts are required (only in cold and every year) actually the engine starts but dies immediately until after several attempts it seems to warm a little and then finally takes off.

    Reply
    • Madison Drumm says:
      October 16, 2024 at 8:08 am

      Hey Mark,
      We’re sorry to hear that! Give us a call and we can get you further assistance. 812.574.7777

      Reply
  4. Avatar for Craig RobertsonCraig Robertson says:
    September 17, 2025 at 8:57 am

    I am a new small engine mechanic at blains farm and fleet . portage mi. What ever help with troubleshooting the Maddison 4 wheeler I would appreciate it thank you Craig Robertson.

    Reply
    • Madison Drumm says:
      September 22, 2025 at 8:27 am

      Hey Craig,
      We have technicians you can speak to available. Give us a call! 812.574.7777

      Reply

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