Jd 6620

[Alecb]

My jd 6620 commonrail engine has started misfiring, it's fine when working but if you leave it 5 mins on tick over it'll misfire any ideas please

 

[Tractortech]

Now Then..
Are there any codes in the ECU??

 

[Alecb]

There was 1 the other day can't remember what code it was but it said in the book problem with fuel, I've deleted them now but it hasn't come back up again

 

[Tractortech]

If there are no codes it's probably an injector problem. If the code is 001347.07 and the filters and fuel system are clean then it may be the suction control valve.

 

[Alecb]

When I travel on low to half Revs it seems to serge like your in to higher gear if that makes any sence

 

[Tractortech]

I'd check the fuel system right back to the tank suction filter and the transfer pump..
"Start at the beginning" as I often say .

 

[Alecb]

So you think there's a blockage or damaged hose do you ?

 

[Tractortech]

Hoses degrade over time, dirt could be in the tank, filters could be past their best etc.. If you're changing the filters, make sure the O ring is present / good between the primary filter and the glass bowl. I prefer genuine filters too..

 

[Alecb]

Excellent mate thanks very much I'll check it out

 

[Alecb]

Hi mate yeah that code just came up 1347.07 everything looks clean so you think it's the suction valve ?

 

[Tractortech]

It's a very expensive thing but so long as you're sure everything else is fine then you could fit one. Buy it on a 'stock order', you may get a discount.. Keep everything clean when you fit it and smear grease on the O-ring sparingly..
RE531864 - Suction control valve..

 

[marco]

no no no no, buy one online, should be half the price of deere.

 

[Timbo]

I'd check the fuel system right back to the tank suction filter and the transfer pump..
"Start at the beginning" as I often say .

Is it still wearing the factory braided fuel lines?