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I changed out the fuel regulator, still didn’t start lol , does the machine have to be running to check the tps in diagnostic mode in the cold ?

Yup checked the fuel pressure it’s at 75 psi in the cold , have not messed with the regulator yet. Battery is putting out 10.6 v when cranking in the cold. Any way to check the regulator?? Tia

Went out this morning 13 degrees and still will not run....I’m getting frustrated now, I really have no idea....is there any other sensors I could check in diagnostic mode that would cause this issue?

Hi guys back again with a update, changed out the coolant temp sensor, that didn’t do anything, Took out my injectors and cleaned them and that didn’t fix it either . changed out the air intake sensor and it fired right up today !!but it’s also 25 degrees out! I’m going to leave it outside...

I ordered it, it did the same thing this morning again it’s about -3 out. I talked to a few other people yesterday and they want me to check fuel pressure to the injectors to see if it is the pump. I’ve researched and cannot find what the fuel pressure is supposed to be? Do you guys know off...

It says 8 GN , fuel pump kicks on for probably 3 seconds then shuts off, I cycle the pump/key like 3-4 times , that’s when I turn the key. I went outside when it warmed up a little bit (19 degrees) and it fired right up lol I think this sled doesn’t like me. I looked at the relays and there is...

I seen a post where a guy pulled his injectors and soaked them in wd 40 , I still don’t understand why it only does it in the cold???????????

I rode it yesterday put 15 miles on with sea foam in it and new spark plugs, new gas, it ran beautifully. Went out this morning it’s 0° Out and it just kept rolling over. Same issues nothing fixed , fuel pump still cycling like normal.............

Ahhh ok , I greatly appreciate the help , you guys deserve a award lol thanks again and safe riding

I know I’m hammering you with questions LOL but how does it flood I don’t quite understand with an EFI motor I’ve owned a ton of four stroke motor is over the years I’ve never seen a fouled plug I can understand on a carbureted but not on an EFI.

I put new ones in, not chancing it, you think that could of been my issue?

Doesn’t look bad , had spark

Ok I will check them out!! Learn something new everyday!

I started it and drove it into my garage, would the plugs still be fouled?

Oh I forgot to add I started and drove it into my garage before I pulled everything fired up beautiful in my trailer it is 35° out today

Sled has spark.... imma goin nuts here lol

I’ve been starting it when it starts and letting it run for 10-15 minutes, I’ll start ripping into it tonight!!!! Thanks again I’ll let you know how it goes!!

Went out this morning tried the starting fluid (it’s 20 degrees) just kept rolling over, few sputters , (fuel pump cycling like normal), it did start yesterday very easy when it was 33 out............

Not yet I’ll try it in the morning and let you know how it works, this snowmobile is gonna drive me bonkers lol

Ok, say it is a fuel issue, would it be a pump problem? If so what do you guys suggest for the best aftermarket pump?