hard start

Laredortv900

New member
Got a cool front through south Texas today and noticed my rtv900 was a bit hard starting. had to crank a bit extra and hit the glow plugs a couple times. It's still 60 degrees.....hmmmmmm.
 
at 60 degrees it will tale a lottle longer.I dont find the inmstant start till about 70 here in michigan.I dont think it is anything to worry about myself
 
Got a cool front through south Texas today and noticed my rtv900 was a bit hard starting. had to crank a bit extra and hit the glow plugs a couple times. It's still 60 degrees.....hmmmmmm.

did you try pressing the accelerator pedal a time or two right BEFORE cranking? My 2007 RTV900 behaves the same. Interesting, when I cleaned out the spark arrestor (located inside the muffler) this temporarily solved the problem.
 
It's just the way diesels are Bud.........They have no choke/enriching mechanism as gasoline engines do, so they need that little bit of glow plug heat to get the compression fired off when it's a bit to cold for the process to work instantly..........

Personally, it burns me up, in my old age, to sit there and forget to use the glow plug. I sit there flooding the cylinder walls with raw fuel flushing off that protective coating of oil until finally a few seconds later the thing fires off........my grand daughter though, loves all the black smoke that the "dragon" fires off........God bless.....Dennis
 
I agree with other members on the chill and not to be concerned right now. How old is your RTV ? If it is hard to start even when the weather warms up, I would consider replacing fuel lines and clamps if the machine has age on it. Several years ago, I had fuel lines go bad on a 7420 diesel tractor and a 1840 skid steer. On the JD tractor the high priced JD mechanic came out with his laptop computer and put on a new fuel pump $$$$$. I think the charge was around 1200$ ... Helped one day because he had it primed.. Wouldn't crank the next morning ... I happened to hear air sucking- ever so slight - like a mosquito buzzing as my ear was right there at the fuel lines ,when I got off from attempting to crank... It was a bad fuel line or clamp- can't remember but I put new hoses and clamps on- perfect crank since. Same thing with the skid steer- . I have also had to replace the stop solenoid before on the RTV but since it did finally crank for you that is probably ok. Best to you. collie
 
checked all your responses

This hard start just seemed to pop up overnight. Yesterday afternoon at about 80 degrees it took a bit of cranking to get it going. After it sets 15 minutes or so the same thing. Have never had this issue before even in lower temps. May have to chech those glow plugs maybe. Thx!
 
For me, once started and for several hours, I never need the glow plugs.......but.....sometimes, if the thing doesn't just fire up after it has been sitting for a bit, I just give it a very tiny bit of throttle pedal and it starts right up. Probably something needs adjusting on mine because it does this; but for me.......it works....God bless....Dennis
 
I assume the fuel is fresh? I should have also included on the last post of mine - about the fuel lines -that the tractor and skid steer had to be cranked on until the fuel got pulled up. Also that there wasn't a visual leak. After I replaced the lines and clamps, the fuel didn't leak down to the tank anymore so cranked right up. I don't use glow plug function when I can wear short sleeves. I just hop on ,crank it right up, and go right after the oil has churned a second or two. bordercollie
 
My 06 900 fires right up. I do use the glow plugs, more when it's colder but even a little when it's 80 or above. Maybe I should not use them but the 1st start of the day it's kind of a habit to use the glow plug a few seconds.
I'd go with fuel pump or a leak as has been mentioned. good luck.
 
If you have issues starting it in the warmer temps id start with the fuel filter then look through the fuel system.You can also check the air filter to make sure its clean.IN 80 degree temps i dont even need the glow plugs to get it going.So Im suspecting something in the fuel system....
 
Hurray!!

Well everyone, my hearing saved the day! Upon trying to start my 900 I turned the key and didn't hear the fuel switch open up??? I lifted the bed, and of course it was still closed. Opened it manually and guess? She starts in two maybe three cranks as always before. Question...do those just go out like that or is there a relay or fuse etc...? Thanks for all your support.

Patrick
 
stomp the accelerator

After reading all your informative post's and some research on past ones, I "stomp" the pedal and she starts right up. Guess I'll order a fuel solenoid switch. Thanks for all your help!
 
After reading all your informative post's and some research on past ones, I "stomp" the pedal and she starts right up. Guess I'll order a fuel solenoid switch. Thanks for all your help!

I believe that is a fused circuit. (check the fuse before ordering)
Also I took mine off to see if my instrument tech could repair it ( not any serviceable components to the average person) , cleaned and lubricated the shaft with silicone lubricant,( use a bit a rtv to reseal the boot) re-installed it until I could order one, and it has been working for 4-5 months no problem.
 
Electrical it was

Figure this one out.......upon removing the fuse box cover, found a fuse that apparently worked loose. Pressed it back in place and the solenoid works fine. Go figure. Thanks all!.
 
Figure this one out.......upon removing the fuse box cover, found a fuse that apparently worked loose. Pressed it back in place and the solenoid works fine. Go figure. Thanks all!.

Nice and easy fix, along with being cheap. They are the best problems to have, glad you found it.
 
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