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Offline dakotasparky

2021 Zforce 800 Tail EFI Light
« on: August 05, 2021, 05:03:35 PM »
The EFI light is on and not Flashing. Comes on after about 1 mile. Dealer  said they reset light and did not find reason for light on but came back on after a mile. Anyone had this problem and if so what was wrong. Dealer said they have had 5 other machines do this but stayed off after they reset light. Machine has less then 400 miles on it and runs great with light on.

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Offline dakotasparky

Re: 2021 Zforce 800 Tail EFI Light
« Reply #1 on: April 11, 2022, 03:59:44 PM »
Found plug to O2 Sensor not seated in all the way. Cleaned and rehooked  -- OK Now

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Offline NMKawierider

Re: 2021 Zforce 800 Tail EFI Light
« Reply #2 on: April 11, 2022, 04:23:46 PM »
Good..yeah that'll do it.
2015 Z Force 800 53/Trail EPS
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage |7- 9.7" GPS Systems | Bandit Springs Rear & Gen-3 Shocks Front | Cage Chop Mod

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Offline DLM800

Re: 2021 Zforce 800 Tail EFI Light
« Reply #3 on: April 12, 2022, 02:54:51 PM »
I had the same issue this weekend.  The EFI light would come on at random times but no issues with the machine. Everything ran great.  Where if the O2 sensor that was loose?