TRACKER Off Road UTV SxS Forum
This is for all of you TRACKER Off Road UTV, SxS (Side by Side) owners. Discussions about TRACKER Off Road specific topics including the OS400, 500s, 800SX, EX iS, SXV1000 and XTR1000 models.
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Latest Posts
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Quick test. Sounds like the fuel pump is not keeping up with demand. After the 30 sec or so run time, and starts to die, give it a wiff of starter fluid and see if it recovers........fuel starved. Key OFF wait 5 sec or so....Key ON only------no start position. The fuel pump is turned on for about 5 sec to PRIME/PRESSURIZE fuel rail.....signal is from the ECM.......wait it out for time out......then start. Listen for the short prime time running. Start.....ECM should now keep the fuel pump full time. Put a test light on the pump connector (clamp to Gnd) and check for 12v. Then reverse the clamp connector from Ground to a hot +12v.....you can now check for a good ground at the connector. -
UPDATE: Got the new ECU today. Installed it and the engine fired right up ! Success... but it will only idle for about 30-45 seconds, then dies like someone cut the power. Cycle the key and it fires right back up, and I'm talking immediately. Runs another 30-45 seconds, then dies again. Plenty of fuel pressure, will test again tomorrow to get actual numbers. Right now I'm thinking Idle Air Control. I'll remove that tomorrow and check it out. I have no idea how long the machine has been sitting without running. Good news is though, the engine sounds strong when it is running. I'll report back on any progress. -
Hi Friends, Newly produced 650, 1100 rear differential will be available soon. If anyone need these differential, please send email to me at [email protected]. Some CV Axles for Joyner is still available but inventory is low. you can also contact me if you need. Thanks Casey / Leaf Asia 2025-03-28 -
By Homeowner A · Posted
I've been having misfire issues with my UTV 400 when it gets warm and I've thrown all kinds of parts at it so far with no permanent resolution. Today I removed the O2 sensor and it is black on the end. To me that means it's running rich and/or the sensor isn't working. I replaced the sensor with a new one and will see how it goes I guess. With EFI, I'm wondering why the sensor would be this way with low hours and mileage? Is there a way to adjust or lean out fueling on these? Thanks in advance. -
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